HTTP/1.1 422 Unprocessable Entity
Content-Length: 149

{
  "Messages": [
    {
      "field": "ICMEffectiveDate",
      "code": "20001",
      "message": "Effective date value ‘13/13/2001’ is not valid ."
    }
  ], 
  "Data": null, 
  "HasMoreData": false, 
  "PagingData": null 
}