{
  "channel": {
    "id": "111"
  },
  "messages": [
    {
      "id": "1",
      "timestamp": "2026-01-01T00:00:00Z",
      "content": "first"
    },
    {
      "id": "2",
      "timestamp": "2026-01-02T00:00:00Z",
      "content": "second"
    }
  ],
  "dateRange": {
    "after": null,
    "before": null
  },
  "exportedAt": "2026-01-02T00:00:00Z"
}