{
  "currentVersion" : 12, 
  "services" : [
    {
      "name" : "Traffic_Signals", 
      "type" : "FeatureServer", 
      "url" : "https://services.arcgis.com/3vStCH7NDoBOZ5zn/ArcGIS/rest/services/Traffic_Signals/FeatureServer", 
      "serviceItemId" : "4cd43781770e44258fe72014d786bb52"
    }
  ]
}