{
  "currentVersion" : 12, 
  "layers" : [
    {
      "name" : "Counties", 
      "serviceItemId" : "207fb539cce8481eb9455cf4292d0ce9", 
      "url" : "https://services.arcgis.com/9OIuDHbyhmH91RfZ/ArcGIS/rest/services/TestDataLayer/FeatureServer/2"
    }
  ]
}