{
  "event": "addDevice",
  "payload": {
    "id": "of:0000ffffffff0009",
    "type": "switch",
    "online": false,
    "master": "onos-2",
    "labels": [
      "",
      "sw-9",
      "0000ffffffff0009"
    ],
    "metaUi": {
      "x": 884,
      "y": 477
    }
  }
}