{
   "TrainPositions":[
      {
         "TrainId": "100",
         "TrainNumber": "301",
         "CarCount": 6,
         "DirectionNum": 1,
         "CircuitId": 1234,
         "DestinationStationCode": "A01",
         "LineCode": "RD",
         "SecondsAtLocation": 0,
         "ServiceType": "Normal"
      },
      {
         "TrainId": "200",
         "TrainNumber": "XY1",
         "CarCount": 6,
         "DirectionNum": 2,
         "CircuitId": 4321,
         "DestinationStationCode": null,
         "LineCode": null,
         "SecondsAtLocation": 25,
         "ServiceType": "Special"
      }
   ]
}
