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 "layers": [
  {
   "layerId": 0,
   "layerName": "Pavement",
   "layerType": "Feature Layer",
   "minScale": 100000,
   "maxScale": 0,
   "legend": [
    {
     "label": "Failed ( < 20)",
     "url": "2ea0dad1bb0cadc9d236b91ff57583e5",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWNhoDJgGTVw1EAKDFxuweBAiUGRJxgOoBjIyMCwnxIDIUbQ0sv/GRgcqWogLAyoZiC1wKiBI8FAAKVsBzOBzjyEAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "Poor (21-40)",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPElEQVQ4jWNhoDJgGTVw1EAKDPzPwOBAiUGMDAwHUAxkYGDYT4mBEDNpHIaOVDUQFgZUM5BaYNTAkWAgAIwrBBPzw62gAAAAAElFTkSuQmCC",
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    {
     "label": "Fair (41-60)",
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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQ0lEQVQ4jWNhoDJgGTVw1EAKDPx/ucGBEoMYdRsOoBjIwPB/PyUGMjAwMKIZSB2AZCCjI1UNhIUB1QykFhg1cCQYCAACsgfARSWsNwAAAABJRU5ErkJggg==",
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     "groupId": "0",
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     "values": [
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     ]
    },
    {
     "label": "Good (61-80)",
     "url": "d3e3b73aa5fcc4bc09de556c052ee527",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWNhoDJgGTVw1EAKDAz5z+BAiUFrGBkOoBjIyMCwnxIDIUbQ0sv/GRgcqWogLAyoZiC1wKiBI8FAAKGYBr9rdNM5AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "Very Good (81-90)",
     "url": "81dd3747b460601f22041ee0f1ad235f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARElEQVQ4jWNhoDJgGTVw1EAKDLRYzuBAiUEnIhkOoBjIwMiwnxIDGRgYGFENpBJAGPifwZGqBsLCgGoGUguMGjgSDAQApNsHM/zNlHcAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
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     ]
    },
    {
     "label": "Excellent (91-100)",
     "url": "962b70e0dc8dbbbf4a5f0545041c6486",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWNhoDJgGTVw1EBKDIx57kCRSUskD6AayPB/P0UGMjAwohlIHYBkIKMjdQ2EhgH1DKQSGDVwJBgIAGF+Bs+fIrakAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      100
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Pavement Condition Index"
    }
   ]
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}