Get organization user

curl --request GET \
  --url http://127.0.0.1:3000/api/organization/{organizationId}/user/{userId} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "name": "<string>",
  "email": "<string>",
  "organization": {
    "id": "<string>",
    "name": "<string>"
  },
  "avatar": "<string>",
  "departments": [
    {
      "id": "<string>",
      "name": "<string>"
    }
  ]
}