Retrieves incident_sub_status

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

{
  "data": {
    "id": "aa8dbe1a-6ee8-4f1f-ad5f-b55726e594d5",
    "type": "incident_sub_statuses",
    "attributes": {
      "sub_status_id": "bac7542b-413f-47ba-a133-190874330d19",
      "incident_id": "ef4c0577-47ba-4497-abe3-ecc7dc936668",
      "assigned_at": "2025-12-01T07:41:19.036-08:00",
      "assigned_by_user_id": 348
    },
    "relationships": {
      "sub_status": {
        "data": {
          "id": "bac7542b-413f-47ba-a133-190874330d19",
          "type": "sub_statuses"
        }
      },
      "assigned_by_user": {
        "data": {
          "id": "348",
          "type": "users"
        }
      }
    }
  }
}