{
 "layers": [
  {
   "layerId": 81,
   "layerName": "既設邊坡外物入侵阻隔及告警系統_2D",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "0556b031ea0e9d5f46f8f4739d67441e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAX0lEQVQ4jWNhoDJgGRYG7kfjO1JqoAMRaoZZGJJsoAMDA0M9CWH1H4f4AQYGhkYWEg3DBxxgLqQqYAE5E9kGCsABmJcPQDGxYcZIyIVUBSzDwsAD1DbQkdoGkgSobiAAIZ8LUmZb5gAAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}