curl --request GET \
  --url https://api.quintus.tec.br/v1/public/agents/conversations/{conversation_id}/messages \
  --header 'Authorization: Bearer <token>'

{
  "items": [
    {
      "id": "<string>",
      "content": [
        {
          "text": "Hello agent",
          "type": "text"
        }
      ],
      "created_at": "2023-11-07T05:31:56Z",
      "metadata": {}
    }
  ],
  "next_offset": 123
}