{
  "ok": true,
  "self": {
    "id": "U4X318ZMZ",
    "name": "robotoverlord"
  },
  "team": {
    "domain": "slackdemo",
    "id": "T2U81E2FP",
    "name": "SlackDemo"
  },
  "url": "wss://..."
}