{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Cities",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Less than 50,000",
     "url": "2707c52de395adecd9485476973c2e12",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQ0lEQVQ4jWNhoDJgGTVw1EAaGfj/////MDYjIyMjxQYyMDAwMMY+Z/i/WJKgOqINJMYwog0k5E2SDSQFjBo4aiAZAADQcgkQZZD75wAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      50000
     ]
    },
    {
     "label": "50,000 to100,000",
     "url": "149531eb960405035895f65b5debd899",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAXElEQVQ4jWNhoDJgGTVw1EAI+P///38Ym5GRkZEiA/////+fMfY5Kh+PoXgNRDeMgYGBgTH2OV5Dh3ikMDIyMmKE4WJJvBFD0IUwQ5H5ZLuQWENINpAUMGog5QAAcI4jJCjRoGsAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      100000
     ]
    },
    {
     "label": "100,000 to 250,000",
     "url": "3e214b5508c7142c92347bad35d47344",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAaUlEQVQ4je3R0QmAMAyE4R50iQ7ndB3OMX6fihCaYIoIovfWg34kpJabU3/whSCA7SRpCRyYtv3seisAHuqCM2y8IzSc0GIWTU24mmdBepuu7a0bgpIEYNGBpa9sUdunJ7zyeQnM5oPgAZWpMxDqn6qsAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      250000
     ]
    },
    {
     "label": "250,000 to 500,000",
     "url": "2f994cf069ab330e2c1799fec43d0bfa",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAZklEQVQ4je3S0QmAMAwE0DvoEg7X6RyuY5y/IrkEi0IR83mQR0jS8HC1H3wflKRrRpJToCSxjzg3qAUdBgDsw6IhmGEV+oErrwmSZHUY7Vv4j3bCDHVYCp7RKHc95Q6z5inwbq0PHn6DNK5367MxAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      500000
     ]
    },
    {
     "label": "500,000 to 1,000,000",
     "url": "f58fe238b0be88b53c9a1f010677e9e9",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAe0lEQVQ4jd3U3Q2AIAwE4LuEJRjO6RjOMc4XIaRCsAaN2kd+vlzSQsDkCt8HJcmukaQbzBCXtb/XgJugJLWgknDfkySLHsARZmGL3tsUT7pcNuUP5vBdIEl6G6MU8dzYAL6UNl0TrFGg85ZTLOeGCWsUmPjbnLl8CfTWBuDqRjicouqRAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      1000000
     ]
    },
    {
     "label": "1,000,000 to 5,000,000",
     "url": "fbc8fbbebc9589196b8a6d0b238dc04f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAiElEQVQ4jd2USw7AIAgFeYmX8HA9nYfrMV430vhBa011UZaC4yQgTj4Otx1IkuUZALwGKgjH2c4Z4ArYA92GMWeBTcMerKxj8G1DkhyFZVCSarmuyzN2Gqnl/jn8MRAAZhvD4GX92IjMWaZ2FTArGoCW384E6mvdbRNBQ9umBbZyVjw2pXfZigvGt0846xLzEAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      5000000
     ]
    },
    {
     "label": "5,000,000 and greater",
     "url": "85c69a734d26457f54c20b7f3da656e8",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAm0lEQVQ4jeWUwRGAIAwEuRmaoDirozjLOF/JhGAYBH7eN8e6o5GcDiePhiQZzQBgGmhBuO5+Xot2PLgDavEF5B8iYAttgCQ5AoVgA1Xg6H3NRKCN4Rc7f461JDXctZOQpBqu2tnzrGW8hyv5M5C1bH2YZm0A4MTqdIu9ail2aij0HcvuX/bQGVMxC28bC9VycB96sxBoSxYcdXwecRxlkmId7H4AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      15000000
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Population"
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "Continent",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "42e3b0d40549ea9d9b2a65784eca0143",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANklEQVQ4jWO5cP7KfwYqAhYGBgYGeQVpqhj28MFTiIHUBKMGjho4auCogaMGIhn48MFTqhkIANXkCWk6hwNuAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "World",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "e0af9ddd9807e00e1195884e6f12f5e4",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAANUlEQVQ4jWP5////fwYqAhYGBgaGixeuUsUwfQNtiIHUBKMGjho4auCogaMGIhmob6BNNQMBOAwH12I46SQAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}