{
  "event": {
    "commonEventHeader": {
      "sourceName":"NVendor-Equip_Model-SN1234"
    },
    "stateChangeFields": {
      "stateChangeFieldsVersion": 1,
      "newState": "inService",
      "oldState": "outOfService",
      "stateInterface": "",
      "additionalFields": {
          "macAddress": "00:11:22:33:44:55"
      }
    }
  }
}