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  "type" : "Feature Layer", 
  "description" : "", 
  "geometryType" : "esriGeometryPolygon", 
  "minScale" : 0, 
  "maxScale" : 0, 
  "extent" : {
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    "spatialReference" : {
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  "dataType" : "Shapefile Feature Class", 
  "featureDatasetName" : "", 
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      "type" : "esriFieldTypeString", 
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      "alias" : "FID"}, 
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      "name" : "Shape", 
      "type" : "esriFieldTypeGeometry", 
      "alias" : "Shape"}
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}