{
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  "layers" : [
    {
      "name" : "Streets", 
      "serviceItemId" : "b73ea95b386d4645b65be6d9740ed7b1", 
      "url" : "https://services7.arcgis.com/ob3iBq0CA0JS6eE3/ArcGIS/rest/services/CountyParcelBase/FeatureServer/2"
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}