Retrieves incident_sub_status

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

{
  "data": {
    "id": "ddf9e4cb-1687-411f-b4ba-0619884fe7a8",
    "type": "incident_sub_statuses",
    "attributes": {
      "sub_status_id": "d9c7a4b5-3dd4-4389-bd87-5e939e0618a6",
      "incident_id": "c63a4720-a75f-4538-9ff6-7e42721ddc92",
      "assigned_at": "2025-10-21T22:08:23.287-07:00",
      "assigned_by_user_id": 345
    },
    "relationships": {
      "sub_status": {
        "data": {
          "id": "d9c7a4b5-3dd4-4389-bd87-5e939e0618a6",
          "type": "sub_statuses"
        }
      },
      "assigned_by_user": {
        "data": {
          "id": "345",
          "type": "users"
        }
      }
    }
  }
}