{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Existing Bikeway",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
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     "contentType": "image/png",
     "groupId": "0",
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     "contentType": "image/png",
     "groupId": "0",
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    },
    {
     "label": "Class 3",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQ0lEQVQ4jWNhoDJgGTWQYsBCuRGoYKQa+JSBoYGJgcGeEoP+MTAclGZgaKCNC6UZGBqoaiA1AQtVTWMYNZAaYPBHCgD0gQTsmLBpMAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
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    },
    {
     "label": "Class 4",
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     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Bikeway Class"
    }
   ]
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}