//Below subscription will capture when a container updates the eventTye of DWELL_FEE. Either add or delete.
{
  "type": "subscribe",						// Required: Don't Change
  "channel": "/nsp",						// Required: Don't Change
  "transport": "ws", 						// Required: Don't Change
  "groupId": "DWELL_FEE",					// Required: GroupId is whatever you want it to be. No duplicates, so name accordingly.
  "filters": [								// Required: Your main filter array. All key:value pairs will go in here.								
    {
      "eventName": "UnitEvent",					// Required: Your streamable event
      "operation" : "update",					//Optional: Operation mode of the event. create/update/delete
      "changeFields": {							//Optional: Used to filter when certain fields on the eventName record changes. Read page 13 on Developer guide for more details
          "include": ["changed"]				//Optional: list of events included
      },
      "filter": {								// Optional: filter payload tag
        "predicate": ["eventTypeId=DWELL_FEE"],
        "fields": [								// Optional: Your filter attributes. These come from the payload. 	
            "eventTypeId",
            "eqId",
            "appliedBy",
            "lineOperatorId",
            "freightKind",
            "timeFirstFreeDay",
            "firstAvailability"

         
        ]
      }
    }
  ]
}