{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Sample Sites",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "89b7d7c9a75d5f3f424ce58e6df948cb",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAoklEQVQ4jWNhoDJgGTWQYsAy9A1kY2Kp/s/wv4aZgYnlH8P/hl///rSSbSAbE0u1j6hWi7uwBpi/8+2NlnUvL/1hYGDoJMvA/wz/a2CGgQCIvfn11Ybf//6SZyA2APL6b4a/DGQZ+Pvf34adb290IHmZARSO+PSw4JMEhdWW19dYtr2+3vCX4d8fkAX4wo8oL0NjFW/MDrOETSpgIVnHkDcQAC6zOzEk8nvVAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}