Retrieves a schedule rotation user

curl --request GET \
  --url https://api.rootly.com/v1/schedule_rotation_users/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "c6e5a109-c4ee-4ad2-bc47-234b1ec16a32",
    "type": "schedule_rotation_users",
    "attributes": {
      "schedule_rotation_id": "2b5c6cba-e2af-45e9-824e-3ecfa6a32f03",
      "user_id": 470,
      "position": 2,
      "created_at": "2025-11-04T12:56:12.546-08:00",
      "updated_at": "2025-11-04T12:56:12.563-08:00"
    }
  }
}