Edit 
				
					{
  "msg_group": "addon.mqtt_gateway",
  "msg_class": "request",
  "msg_subclass": "mqtt.client.unregister",
  "result": {
    "requestBody": {
      "name": "mqtt.test_client"
    },
    "sender": "mqtt.test_client",
    "uuid": "63e134860000000174696001"
  }
}
Edit 
				
					{
  "msg_class": "response",
  "msg_group": "mqtt.test_client",
  "msg_subclass": "ResponseResult",
  "result": {
    "responseBody": {},
    "uuid": "63e134860000000174696001"
  }
}