{
       "fields": [
              {"name": "validationId", "data-type": "string", "searchable": "false"},
              {"name": "validationTimestamp", "data-type": "date", "format": "MMM d y HH:m:s||dd-MM-yyyy HH:mm:ss||yyyy-MM-dd'T'HH:mm:ss.SSSZZ||MM\/dd\/yyyy||yyyyMMdd'T'HHmmssZ"},
              {"name": "modelVersionId", "data-type": "string"},
              {"name": "modelInvariantId", "data-type": "string"},
              {"name": "serviceInstanceId", "data-type": "string"},
              {"name": "requestId", "data-type": "string"},
              {"name": "client", "data-type": "string"},
              {"name": "result", "data-type": "string"},
              {"name": "violations", "data-type": "nested", "sub-fields": [
                     {"name": "violationId", "data-type": "string", "searchable": "false"},
                     {"name": "violationTimestamp", "data-type": "date", "format": "MMM d y HH:m:s||dd-MM-yyyy HH:mm:ss||yyyy-MM-dd'T'HH:mm:ss.SSSZZ||MM\/dd\/yyyy||yyyyMMdd'T'HHmmssZ"},             
                     {"name": "modelName", "data-type": "string"},
                     {"name": "category", "data-type": "string", "searchable": "false"},
                     {"name": "severity", "data-type": "string", "searchable": "false"},
                     {"name": "violationType", "data-type": "string", "searchable": "false"},
                     {"name": "validationRule", "data-type": "string"},
                     {"name": "errorMessage", "data-type": "string"}
              ]}
       ]
}