{
 "layers": [
  {
   "layerId": 1,
   "layerName": "Road Slope",
   "layerType": "Raster Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "0-4% Slope",
     "url": "87afc38f282ade251a5033f6cc2a6f9a",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmBof8Z/lNi0GpGBkYUA6kFRg0cNXDUwFED6WwgrDyjmoHUAgBESwP+pefRNwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "5-8% Slope",
     "url": "231bbaf6154b0f8e42045c2a258ad1fa",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmB//8z/KfEIEZGBkYUA6kFRg0cNXDUwFED6WwgrDyjmoHUAgAJMQNUcB1RQwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "9-12% Slope",
     "url": "4719677e8a42f02225b9ad82f6200e9a",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmB/1cx/KfEIMYwBkYUA6kFRg0cNXDUwFED6WwgrDyjmoHUAgAmaQOpc7oJQgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    },
    {
     "label": "Greater than 12%",
     "url": "41a0cf5fc27c7a578f77987692c27a77",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAMUlEQVQ4jWNhoDJgoZmB/xkY/lNiECMDAyOKgdQCowaOGjhq4KiBdDYQVp5RzUBqAQBgfwJTXu298gAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Value"
    }
   ]
  }
 ]
}