Пример

POST https://api.testkontur.ru/realty/v1/docflows/right_assignment_request
Content-Type application/json
Host api.kontur.ru
Authorization auth.sid 38f31d7246b148c8abcdf0e240a5e39d

  {
  "options": {
    "object": [{
      "objectType": "flat",
      "cadastralNumber": "54:35:021060:1733",
      "address": {
            "region": "Новосибирская область",
            "city" :{
                  "abbreviation": "г",
                  "name": "Новосибирск"
            },
            "street" :{
                  "abbreviation": "ул",
                  "name": "Челюскинцев"
            },
            "house": {
                  "type": "д",
                  "name": "14"
            },
            "apartment": {
                  "type": "кв",
                  "name": "81"
            }
      }
    }],
    "seller": {
      "individualOwnership":{
            "owner": {
                  "organization": {
                    "name": "Тестовая строительная компания",
                    "inn": "7017096688",
                    "kpp": "701701001",
                    "ogrn": "5137746242937",
                    "regDate": "2018-09-04",
                    "address": {
                          "region": "Новосибирская область",
                          "city" :{
                            "abbreviation": "г",
                            "name": "Новосибирск"
                          },
                          "street" :{
                            "abbreviation": "ул",
                            "name": "Челюскинцев"
                          },
                          "house": {
                            "type": "д",
                            "name": "14"
                          },
                          "apartment": {
                            "type": "кв",
                            "name": "81"
                          }
                    }
                  },
                  "representative": {
                    "representativeType": "authorized",
                          "person": {
                            "name": "Тест",
                            "surname": "Тестов",
                            "dateBirth": "2018-09-04",
                            "birthPlace": "Новосибирск",
                            "snils": "000-000-000 57",
                            "gender": "female",
                            "identityDocument": {
                                  "documentType" : "russPassport",
                                  "series": "1234",
                                  "number": "123456",
                                  "issueDate": "2018-09-04",
                                  "issuer": {
                                    "code": "123-123",
                                    "name": "кто-то"
                                  }
                            },
                            "citizenship": "росийская федерация",
                            "address": {
                                  "region": "Новосибирская область",
                                  "city" :{
                                    "abbreviation": "г",
                                    "name": "Новосибирск"
                                  },
                                  "street" :{
                                    "abbreviation": "ул",
                                    "name": "Челюскинцев"
                                  },
                                  "house": {
                                    "type": "д",
                                    "name": "14"
                                  },
                                  "apartment": {
                                    "type": "кв",
                                    "name": "81"
                                  }
                            }
                      }
                    }
             }
      }
    },
    "buyer": {
      "cooperativeOwnership": {
            "spouse1": {
                  "person": {
                    "name": "Тест",
                    "surname": "Тестов",
                    "dateBirth": "2018-09-04",
                    "birthPlace": "Новосибирск",
                    "snils": "000-000-000 55",
                    "gender": "female",
                    "identityDocument": {
                          "documentType" : "russPassport",
                          "series": "1234",
                          "number": "123456",
                          "issueDate": "2018-09-04",
                          "issuer": {
                            "code": "123-123",
                            "name": "кто-то"
                          }
                    },
                    "citizenship": "росийская федерация",
                    "address": {
                          "region": "Новосибирская область",
                          "city" :{
                            "abbreviation": "г",
                            "name": "Новосибирск"
                          },
                          "street" :{
                            "abbreviation": "ул",
                            "name": "Челюскинцев"
                          },
                          "house": {
                            "type": "д",
                            "name": "14"
                          },
                          "apartment": {
                            "type": "кв",
                            "name": "81"
                          }
                    }
                  }
            },
            "spouse2": {
                  "person": {
                    "name": "Тест",
                    "surname": "Тестов",
                    "dateBirth": "2018-09-04",
                    "birthPlace": "Новосибирск",
                    "snils": "000-000-000 22",
                    "gender": "male",
                    "identityDocument": {
                          "documentType" : "russPassport",
                          "series": "1234",
                          "number": "123456",
                          "issueDate": "2018-09-04",
                          "issuer": {
                            "code": "123-123",
                            "name": "кто-то"
                          }
                    },
                    "citizenship": "росийская федерация",
                    "address": {
                          "region": "Новосибирская область",
                          "city" :{
                            "abbreviation": "г",
                            "name": "Новосибирск"
                          },
                          "street" :{
                            "abbreviation": "ул",
                            "name": "Челюскинцев"
                          },
                          "house": {
                            "type": "д",
                            "name": "14"
                          },
                          "apartment": {
                            "type": "кв",
                            "name": "81"
                          }
                    }
                  }
            },
            "mortgage": {
                  "loanAgreement": {
                    "documentType": "loanAgreement",
                    "content": {
                          "info": {
                    "type": "pdf",
                    "contentPointer": {
                          "id": "3a8cf2b8-ee9e-47ca-9ff9-75efced2d52e",
                          "contentLink": "https://api.testkontur.ru/realty/v1/contents/3a8cf2b8-ee9e-47ca-9ff9-75efced2d52e"
                    }
                          },
                          "signatures": [{
                            "id": "d42a9a44-4ebb-40dd-9396-bf33dee9f95b",
                    "contentLink": "https://api.testkontur.ru/realty/v1/contents/d42a9a44-4ebb-40dd-9396-bf33dee9f95b"
                          },
                          {
                            "id": "d42a9a44-4ebb-40dd-9396-bf33dee9f95b",
                    "contentLink": "https://api.testkontur.ru/realty/v1/contents/d42a9a44-4ebb-40dd-9396-bf33dee9f95b"
                          },
                          {
                            "id": "d42a9a44-4ebb-40dd-9396-bf33dee9f95b",
                    "contentLink": "https://api.testkontur.ru/realty/v1/contents/d42a9a44-4ebb-40dd-9396-bf33dee9f95b"
                          }]
                    }
                  }
            }
      }
    },
    "appliedDocuments": {
      "rightTransferAgreement": {
            "documentType": "rightTransferAgreement",
            "content": {
              "info": {
            "type": "pdf",
            "contentPointer": {
              "id": "3a8cf2b8-ee9e-47ca-9ff9-75efced2d52e",
              "contentLink": "https://api.testkontur.ru/realty/v1/contents/3a8cf2b8-ee9e-47ca-9ff9-75efced2d52e"
            }
          },
          "signatures": [{
                "id": "d42a9a44-4ebb-40dd-9396-bf33dee9f95b",
             "contentLink": "https://api.testkontur.ru/realty/v1/contents/d42a9a44-4ebb-40dd-9396-bf33dee9f95b"
          }]
        }
      },
      "other": [{
            "documentType": "marriageCertificate",
            "content": {
              "info": {
            "type": "pdf",
            "contentPointer": {
              "id": "3a8cf2b8-ee9e-47ca-9ff9-75efced2d52e",
              "contentLink": "https://api.testkontur.ru/realty/v1/contents/3a8cf2b8-ee9e-47ca-9ff9-75efced2d52e"
            }
          },
          "signatures": [{
                "id": "d42a9a44-4ebb-40dd-9396-bf33dee9f95b",
            "contentLink": "https://api.testkontur.ru/realty/v1/contents/d42a9a44-4ebb-40dd-9396-bf33dee9f95b"
          },
          {
                "id": "d42a9a44-4ebb-40dd-9396-bf33dee9f95b",
            "contentLink": "https://api.testkontur.ru/realty/v1/contents/d42a9a44-4ebb-40dd-9396-bf33dee9f95b"
          }]
        }
      }]
    }
  }
}