[{
  "event": "check.down",
  "check": {
    "token": "ngg8",
    "url": "https://updown.io",
    "alias": "",
    "last_status": 500,
    "uptime": 100.0,
    "down": true,
    "down_since": "2016-02-07T13:11:43Z",
    "error": "500",
    "period": 30,
    "apdex_t": 0.25,
    "string_match": "",
    "enabled": true,
    "published": true,
    "last_check_at": "2016-02-07T13:12:13Z",
    "next_check_at": "2016-02-07T13:12:43Z",
    "favicon_url": "https://updown.io/favicon.png"
  },
  "downtime": {
    "error": "500",
    "started_at": "2016-02-07T13:11:43Z",
    "ended_at": null,
    "duration": null
  }
}]