{
  "currentVersion" : 12, 
  "layers" : [
    {
      "name" : "Highways", 
      "serviceItemId" : "c4e29e043f33471dbefbd455cc5a47f0", 
      "url" : "https://servicesdev.arcgis.com/aBQFvvuuqqpsjWov/ArcGIS/rest/services/Multilayer_view/FeatureServer/1"
    }
  ]
}