{
  "ok": true,
  "messages": [
  {
  "subtype": "channel_join",
  "user": "U06UABH3APP",
  "text": "<@U06UABH3APP> has joined the channel",
  "inviter": "U06UG1CAYH2",
  "type": "message",
  "ts": "1714146543.286219"
  },
  {
  "subtype": "channel_purpose",
  "user": "U06UG1CAYH2",
  "purpose": "TestGoal",
  "text": "set the channel description: TestGoal",
  "type": "message",
  "ts": "1714146543.014349"
  },
  {
  "subtype": "channel_topic",
  "user": "U06UG1CAYH2",
  "topic": "TestTopic",
  "text": "set the channel topic: TestTopic",
  "type": "message",
  "ts": "1714146542.849559"
  },
  {
  "subtype": "channel_join",
  "user": "U06UG1CAYH2",
  "text": "<@U06UG1CAYH2> has joined the channel",
  "type": "message",
  "ts": "1714146542.605859"
  }
  ],
  "has_more": false,
  "pin_count": 0,
  "channel_actions_ts": null,
  "channel_actions_count": 0
  }