{
  "currentVersion" : 12, 
  "layers" : [
    {
      "name" : "Buildings", 
      "serviceItemId" : "b3d0065ccc174546818de3dc4d0f9522", 
      "url" : "https://services1.arcgis.com/oOUgp466Coyjcu6V/ArcGIS/rest/services/Relationship_Class_Test/FeatureServer/0"
    }
  ]
}