Retrieves an On Call Shadow configuration by ID

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

{
  "data": {
    "id": "5bb1c54d-fe75-4ed2-81de-28954bbd014a",
    "type": "on_call_shadows",
    "attributes": {
      "schedule_id": "65679212-5afa-4959-9765-8c9bef5160e4",
      "shadowable_type": "User",
      "shadowable_id": "361",
      "shadow_user_id": 360,
      "starts_at": "2025-03-29T01:03:36.000-07:00",
      "ends_at": "2025-03-29T23:03:36.000-07:00",
      "created_at": "2025-03-28T23:03:36.827-07:00",
      "updated_at": "2025-03-28T23:03:36.827-07:00"
    }
  }
}