{
 "layers": [
  {
   "layerId": 18,
   "layerName": "Canterbury - areas of significant natural value",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "9cdc59d7e8b13e26197537fe22ee1285",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAdElEQVQ4jWNhYGD4z0BFwAIizDydtxg5296kxKBzew+rn9q+1wdsIMiwsOLMW5S67hTMQBhY1TtdDUTDDCeVDwIoBlIDsCBz0L1NKp/2Llw1GobkABZkzmgYkgVYRmgYntt7WJ1Sl8HMABsIKhhBmFJDQQAAHT16L7fI/rMAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}