//	Below subscription will capture export containers drop-offs for a specific Trucking company
{
  "type": "subscribe",						    // Required: Don't Change   //  Indicates that we're creating a new subscription.
  "channel": "/nsp",						    // Required: Don't Change   //  Specifies the event channel we'll be subscribing to.
  "transport": "ws", 						    // Required: Don't Change   //  Indicates that we'll receive events over a WebSocket connection.
  "groupId": "GetExportContainerGateInRDKA",	// Required //  The group ID is a name that you assign to the subscription. Duplicates are not allowed.
  "filters": [									// Required: Your main filter array. All key:value pairs will go in here.
    {
      "eventName": "TruckTransaction",			// Required: Your streamable event
      "changeFields": {							// Optional: Used to filter when certain fields on the eventName record changes. Read page 13 on Developer guide for more details
        "include": ["truckVisitStatus"],		// Optional: list of events included
        "exclude": ["*"]						// Optional: list of events excluded. * is everything
      },
      "operation": "update", 					// Optional: Operation mode of the event. create/update/delete
      "filter": {								// Optional: filter payload tag
        "predicate": [
          "subType=RE",
          "status=COMPLETE",
          "stageId=outgate",
          "trkcoId=RDKA"
        ],
        "fields": [								// Optional: Your filter attributes. These come from the payload.
          "subType",
          "status",
          "truckLicenseNbr",
          "trkcoId",
          "ctrId",
          "chsId",
          "eqoNbr",
          "stageId",
          "gateId"
        ]
      }
    }
  ]
}