{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Structure Type ",
   "layerType": "Feature Layer",
   "minScale": 1100000,
   "maxScale": 0,
   "legend": [
    {
     "label": "Bridge",
     "url": "be13234a1887b4431f3b179af79b5118",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAYUlEQVQ4jWNhoDJgGTVwaIVhqAQDgwM2iRcMDAcYGBhWk2SgBAODQwQDQ5YMmvgTBgaGFRBDSTMQBECGoRtICLCQqH64G/iESDGiDAQljRV45Mhx4WpcSWMYRwo5YPAbCAAFoQ/c1w7VlwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "bridge"
     ]
    },
    {
     "label": "Culvert",
     "url": "e4f96cecd8435f7a5122fd4a151febc8",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAiElEQVQ4je2TwQ2AIAxF/4Ex3MAJvLEE81Dm6RLcnIANGMQUMYaDJlQPRn0nmiaPtB8Mbsb8wsuYVwiJHLwcUkbkGQFA1AqtyLzb6zDAEhcpdQvd1MgKtfbECuE4wJ71u4VHyC5VQlp31YwdGKjB9AshCTNiyvDb+PUSdcqCPJXI+NJP6eL5wgW/qyYyg9PwAQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "culvert"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}