curl --request GET \
  --url https://api.{tenant}.getomneo.com/api/v3/users/{user}

{
  "data": {
    "id": 123,
    "name": "<string>",
    "email": "<string>",
    "throttle": 123,
    "roles": [
      {
        "id": 123,
        "handle": "<string>"
      }
    ],
    "permissions": [
      {
        "id": 123,
        "handle": "<string>"
      }
    ],
    "created_at": "<string>",
    "updated_at": "<string>"
  }
}