{
  "requestDetails": {
      "modelInfo": {
         "modelType": "service",
         "modelName": "Test",
         "modelVersion": "1.0"
      },
      "requestInfo": {
          "source": "VID",
          "requestorId": "az2016"
      },
      "requestParameters": {
          "aLaCarte": true,
          "userParams": [
            {
              "name": "someUserParam",
              "value": "someValue"
            } 
          ]
      }
  }
}