{
  "currentVersion" : 12, 
  "services" : [
    {
      "name" : "Blocks", 
      "type" : "FeatureServer", 
      "url" : "https://services2.arcgis.com/XwGh5SYpBlXQGJEB/ArcGIS/rest/services/Blocks/FeatureServer", 
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}