{
 "layers": [
  {
   "layerId": 20,
   "layerName": "Significant Natural Environment Area Features",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "22e6ec660e9d9bacdd88e69b43a94ebb",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWMJ2F6hwPCHQYGBGoCF4QEL1DAHqhj4h+EAC1UMQgKjBo4aOGrgqIGjBsIMZGF4wPCH4QCVTHsAAH0cCoyaitcWAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}