{
 "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": "3c3273b661c0a36866292037c19a1f37",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAr0lEQVQ4je2UsQ3DIBBFX8EKyRC2PEB6r+CMYI9heYywAiu4Z4AIhkiWiA6BmyhCYDeR/JvTNU/3/0coDpY6gf+b4RCnB9weYAvMjzFM1icvY3kDyy+wygADbOxpZJGpO/ykmYF7KbAdblwSLCntkw4xmBJg03dcMw6OaVmyjAUVAU20tdkU6RUfi6kqZZEC5KJkf9IBJC1TA3TSprG0xm5XfhVRk6HLPeik8/titz6EdC/QFtvejgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "culvert"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}