curl --request GET \
  --url https://api.hq.zone/v1/agents \
  --header 'Authorization: Bearer <token>'

{
  "messages": [
    {
      "body_markdown": "<string>",
      "delivered_at": "2023-11-07T05:31:56Z",
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "source_kind": "<string>",
      "title": "<string>",
      "ui_strings": "<unknown>",
      "read_at": "2023-11-07T05:31:56Z",
      "schedule_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "schedule_name": "<string>"
    }
  ],
  "page": 123,
  "page_size": 123,
  "total": 123,
  "unread_count": 123
}