CancellationSubmitPatchRequest

Unified PATCH request for cancellation submissions.
Contains change reason and cancellation data to update.
Only ONE property in the Cancellation DTO should be set per request.

{
    "changeReason": "string",
    "cancellation": {
        "eMail": "user@example.com",
        "firstname": "string",
        "lastname": "string",
        "gender": "Woman",
        "birthday": "2019-08-24",
        "city": "string",
        "familyMember": {
            "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
            "firstname": "string",
            "lastname": "string",
            "gender": "Woman",
            "birthday": "2019-08-24"
        }
    }
}