curl --request POST \
  --url http://localhost:3333/register

{
  "id": "<string>",
  "username": "<string>",
  "email": "<string>",
  "rememberMeToken": true,
  "roles": {
    "id": 123,
    "name": "<string>"
  },
  "created_at": "<string>",
  "updated_at": "<string>"
}