{
 "layers": [
  {
   "layerId": 0,
   "layerName": "school",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "5ffe1242187abc5c335533020056c91c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAfElEQVQ4je3TMQ6AMAiF4Z/Ee9meTHsyuRkO6mJKIU4OfSN5+UpIupCIGQVABI26ywDZgRUu7J4BKNA8vAve2Oa8VYBiRhNhz264OvOw44ElAXY77g2/ZoIT/DOoxL9F06AI1YxjgKoINQ0GqIsNQQcdYiH4QomwFJiFnpyAiCPa6CBkUAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}