Device status changed

{
    "requestId": "16349988792583564403",
    "unionId": "fPLhRVC_10gI9yQwwn3swNz4XwBqqJ8m8OrrA86A",
    "topic": "devices-status-changed",
    "devices": [
        {
            "id": "M1GAxtaW9A0LXNwZWMtdjIVgoAFGA55ZWVsaW5rLWNvbG9AyMRUUGAg0NTk2NTYwNRVoAA",
            "online": true
        }
    ]
}

Params	Type	Value	Remarks
requestId	String	4180463424101195867	Required. Random string as Id of each request for ease of tracing.
topic	String	devices-status-changed
devices → id	String		Device ID
devices → online	Boolean	true / false	Device status