{
 "layers": [
  {
   "layerId": 0,
   "layerName": "10000M grid",
   "layerType": "Feature Layer",
   "minScale": 450000,
   "maxScale": 219,
   "legend": [
    {
     "label": "",
     "url": "c50821b31c0980425f0a34f23f39b6f0",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAYUlEQVQ4jWNhUCv+z0BFwEJNw1ANZGQ4wPCf8SBZpjD+t2f4z+CAauB/xoMMt3oayDJQraSBgeE/moFUAqMGjho4auBwM5Dxvz2k1CADQIovNAP/MzjAiiCSAVKZT3UvAwCaVBT9r+xhzQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "1000M grid",
   "layerType": "Feature Layer",
   "minScale": 28125,
   "maxScale": 219,
   "legend": [
    {
     "label": "",
     "url": "5d337b339256e50a95df6bced63b95cf",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAXUlEQVQ4jWNh8F3xn4GKgAVKH2Bg/H+QIpP+M9ozMDA4QAxk/H+QYVNkA0UG+i1vYPjP6MBCWCVpYNTAUQNHDRw1kJ4G/me0Z/Bb3kCRSZACFu5CB4b/jA4UGQgFAKTeEbleJTDGAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "100M grid",
   "layerType": "Feature Layer",
   "minScale": 3516,
   "maxScale": 219,
   "legend": [
    {
     "label": "",
     "url": "a6a340f1c222f3684617422034bc1e7c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARklEQVQ4jWNhiH9mzPD/vyADNQAj43sWhv//BRkWSe+hioFxT11YqGIQEhg1cNTAUQNHDRw1EGYgI+N7hrinLlQxjZHxPQCZdw1BHPIIDgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}