{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Survey_Road",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "18f0a4cd98f4f64b11cfd35eaff8e08d",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAOElEQVQ4jWNhoDJgGTVw1MDBYuBivckNDIyM9hSZ9P//wdhLuQ20cWHspdwGqhpITTBq4KiBZAAA4DMJbVmKqXAAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Existing Road",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "f967872d389d97fe929e5f8d11cc7f4f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWNhoDJgGTVw1MDBZGD6rHP7GRgYGP7//39wVrpxAwMDA0PazLMNjIyM9sgacMnPTDNypK0LYTYgA5hLcAFs8kMoUkYNHMYGAgDZpRkro9VJIwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}