curl --request GET \
  --url https://api.quintus.tec.br/v1/agents/sessions/{session_id}/messages/{message_id} \
  --header 'X-API-Key: <api-key>'

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