{
  "currentVersion" : 12, 
  "layers" : [
    {
      "name" : "ServiceLine", 
      "serviceItemId" : "d04ee21f6fb24e1fb2ecdc6cdd486658", 
      "url" : "https://services.arcgis.com/7ww0md22RA7aTw3W/ArcGIS/rest/services/ServiceLine/FeatureServer/0"
    }
  ]
}