Heartbeat Message

Description: A heartbeat message is used to indicate the health and network specifics of an asset.

Topic: Asset/A1000/Heartbeat

Example Message:
{"dateTime":"2019-02-24T23:59:59.923Z",
"assetId":"A1000",
"dataItemId":"Heartbeat",
"IPAddress":"10.99.91.170",
"MACAddress":"aa:bb:cc:dd:11:22"}