Retrieves an override shift

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

{
  "data": {
    "id": "e2324896-87ed-464d-a56b-5c803c288137",
    "type": "shifts",
    "attributes": {
      "schedule_id": "93f1a51d-e8f2-495d-8e51-b0700dd65ef8",
      "rotation_id": "d92fbecd-3f71-4413-9543-48b15910ac84",
      "user_id": 825,
      "starts_at": "2026-01-29T09:35:01.000-08:00",
      "ends_at": "2026-01-29T17:35:01.000-08:00",
      "is_override": true
    },
    "relationships": {
      "shift_override": {
        "data": null
      },
      "user": {
        "data": {
          "id": "825",
          "type": "users"
        }
      }
    }
  }
}