{
  "token": "XXYYZZ",
  "team_id": "TXXXXXXXX",
  "api_app_id": "AXXXXXXXXX",
  "event": {
    "type": "link_shared",
    "channel": "Cxxxxxx",
    "user": "Uxxxxxxx",
    "message_ts": "123456789.9875",
    "thread_ts": "123456621.1855",
    "links": [
      {
        "domain": "example.com",
        "url": "https://example.com/12345"
      },
      {
        "domain": "example.com",
        "url": "https://example.com/67890"
      },
      {
        "domain": "another-example.com",
        "url": "https://yet.another-example.com/v/abcde"
      }
    ]
  },
  "type": "event_callback",
  "authed_users": [
    "UXXXXXXX1",
    "UXXXXXXX2"
  ],
  "event_id": "Ev08MFMKH6",
  "event_time": 123456789
}