Retrieves a schedule rotation user

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

{
  "data": {
    "id": "ae52fbc5-913b-4851-8bf7-2c9691d71fde",
    "type": "schedule_rotation_users",
    "attributes": {
      "schedule_rotation_id": "df2193f4-eb95-4529-972b-a2100036196b",
      "user_id": 451,
      "position": 2,
      "created_at": "2025-10-13T12:50:16.379-07:00",
      "updated_at": "2025-10-13T12:50:16.399-07:00"
    }
  }
}