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

{
  "id": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "reference": "<string>",
  "name": "<string>",
  "email": "<string>",
  "phone": "<string>",
  "metadata": {},
  "info": {}
}