{
  "token": "verification-token-not-a-secret",
  "team_id": "TDEMO",
  "api_app_id": "ADEMO",
  "event_id": "Ev_APP_HOME_OPENED_001",
  "event_time": 1782770450,
  "type": "event_callback",
  "event": {
    "type": "app_home_opened",
    "user": "U_ALICE",
    "channel": "D_DEMO_DM",
    "tab": "messages",
    "event_ts": "1782770450.000100",
    "context": {
      "entities": [
        {
          "type": "slack#/types/channel_id",
          "value": "C_CONTEXT",
          "team_id": "TDEMO"
        }
      ]
    }
  }
}