ContractPartnerAssignment

{
    "id": 0,
    "sequence": 0,
    "assignment_kind": "initial",
    "status": "pending",
    "status_reason": "string",
    "assigned_at": "2019-08-24T14:15:22.123Z",
    "responded_at": "2019-08-24T14:15:22.123Z",
    "partner": {
        "id": 0,
        "full_name": "string",
        "picture": "http://example.com"
    },
    "assigned_by": {
        "id": 0,
        "full_name": "string",
        "role": "institution"
    }
}