{
 "layers":
  [
     {
      "layerId":0,
      "layerName":"Cities",
      "layerType":"Couche d’entités",
      "minScale":0,
      "maxScale":0,
      "legend":
       [
          {
           "label":"Less than 50,000",
           "url":"3033c90ec0892fca4518c19c4bdfd7e1",
           "imageData":"iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAcElEQVQ4je3SwQmAMAwF0HzosUN1hU6UdCFdoTvp/YuSgwcRSjwV/yUNhEcDSfJx0g+Gk+YASZo/O4AeAkkWEdG27qI1K8kGwCI/LCdmy3Y1WnN8ZXXEa2xlAEaya83F+xh4Q16hye5wJGlo+gflIQfbHiAIO+O83gAAAABJRU5ErkJggg==",
           "contentType":"image/png",
           "height":20,
           "width":20,
           "values":
            [
               "50000"
            ],
           "groupId":"0"
          },
          {
           "label":"50,000 to100,000",
           "url":"22889d2ffbc438849997972d05205305",
           "imageData":"iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAlUlEQVQ4jWNhoDJgGTWQYsAyPAz8//9/A5R5gJGR8QBFBv7//7+lcf2XahDbXoOt/v///42MjIwNZBn4//9/hwPXf1U3rPsMF2sI4gUZyoDLUBYCDnQ4eOMXIU9QFin2Gmwg6gBZBjIyMjaAvAcKO5hLHTTZQGFInoFIhh5w0GRzgPEZKPUyI8RFeJPLMMsppIDBbyAAM8oxTRGFuqwAAAAASUVORK5CYII=",
           "contentType":"image/png",
           "height":20,
           "width":20,
           "values":
            [
               "100000"
            ],
           "groupId":"0"
          },
          {
           "label":"100,000 to 250,000",
           "url":"3d68fe4d18d93aa20aa89b021bdebfa9",
           "imageData":"iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAxklEQVQ4je2SwQ3CMAxFbSnqiZxYgkwRd4R2obgL0RFIp8gUnODUi5ErAj2USqkQElL/JbKUvHz728CXZXbgH85QRBgAwrOMADAgIm8Cisil6+/E59tUk6soNJZExCNiXQQUEY5pfMEme2mEmK7A7QTlJadmxaDv+jdsLv0kNAcdA5cASR39JGVyVQ6oCNhxa8N8hlmhsXoMRUBEZE3TnyrSWeb2ubXqMH5aHbPiUKG1pknu6LXT7HzzHqrWHi/JlFzegbCkB+VqSHHmjM41AAAAAElFTkSuQmCC",
           "contentType":"image/png",
           "height":20,
           "width":20,
           "values":
            [
               "250000"
            ],
           "groupId":"0"
          },
          {
           "label":"250,000 to 500,000",
           "url":"122572ce372fda80c6d07a1da04e1fab",
           "imageData":"iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA4klEQVQ4je2UwQ2DMAxFYyniBHuUKXBHgIUSFiojlE7R7lFOXFw5CRKiSYoRx/oQSAKPn+8vtDq59B8YLSKy4XbkAQDcVewheZDph8nNm0thwvoIAFcRkIju/TChvb2/9mxXIe/HoFoKc0C/zlALADYLJCIcn3MStoaatmQL8kBJsbe0URkD4uM1H/6IPvym77paopQEsnwiMr88lCrsbVdlobarFNYF5zGvcKWyYT8TOeQOR8OtUwr4Yc5jcymQ50ujTFu6E2zzt6spAeqAWHtwCqT2AANg8Sj5QxABpXU68ANRXWfVlE/69QAAAABJRU5ErkJggg==",
           "contentType":"image/png",
           "height":20,
           "width":20,
           "values":
            [
               "500000"
            ],
           "groupId":"0"
          },
          {
           "label":"500,000 to 1,000,000",
           "url":"17815b893319db8c4f1ef47c2805af1d",
           "imageData":"iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABGUlEQVQ4jdWTvQ3CMBCFL5KVCqosAVNgRoBx0thpGAdGyDFFWIIKGmgOPceRQjiHIGg4yfnxz+d352dDPw7z/0ARsUSEhmA8sizjj4Ei4onI4bs6XEPfapGHfxEBsNLAZgwGkN9fXsbtMrd1WVgRAdSPAmOKbr07Ezd3VT36MV6XhRMR6kM1haOwPhQZuM0MZdCBUMfN3b6DdYFyuM0srOvq+bVtqlYlyqQC7fE0TV0qzFerWyvhxSkgo8iaVaaG6f+gsLCB385V/w3DLnM07htcS7mCSm5uo9YBrC6LMD+pMKr0UAnTpvyIDGAX7foZbfcIZUDhS/R1px9BHcwP1yZPOe6MmgYg7m8ceqrZZOAAHEDv5k4CfhoPfoqNRT+mk3kAAAAASUVORK5CYII=",
           "contentType":"image/png",
           "height":20,
           "width":20,
           "values":
            [
               "1000000"
            ],
           "groupId":"0"
          },
          {
           "label":"1,000,000 to 5,000,000",
           "url":"34a016325f9be2dbbc493d582e33f4d3",
           "imageData":"iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABJUlEQVQ4jb2UQW6DMBBFBwmxKqucwqfI9AjkON2MvelxwhHqnIJTZEU2zWaqb3CFTUKgqfIlhDDy87c9f0r6Z5UvBaqqJaI9EfFk2BORK4rCrwbqABLXXsK3Pfa//9hULE3Nqkoj2C4CAfPdVVzbk++us8Uw5rszwCRNLQBPoeUt2PvneekkEvDXxy6B5g6Dsy1ybU9sdoKTSYCqysOq820+curaS9gdXJbPuMu0TxziAre6i7LHnqR549cX9rNAbw81T4t4rdhUYX4OPGURWy1parxcAsSVq6r47ntT6bCpwhOznZ+hQ5yQgL+4mwFHlyFO97IcNWaZ2FRJg5jdcoQiTkMKUrA9BEeoO7wed5sIxVzEccxp3g9POWgROAFj8s1Gek8/AvSZMe2KlhsAAAAASUVORK5CYII=",
           "contentType":"image/png",
           "height":20,
           "width":20,
           "values":
            [
               "5000000"
            ],
           "groupId":"0"
          },
          {
           "label":"5,000,000 and greater",
           "url":"11649e4245ecf99c993f682aad6cc769",
           "imageData":"iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABJElEQVQ4jbWUMa7CMAyGXSnq1E5M3ABOQThCe5wuThYu8vZyBMIpyiWYytTFyH4kCojwgPT9UlSpaj/9jv1bwR8iIg0AfLxcURQu9b16ATIAgG6Y4HiawvvNqkQiEjAA2Ee4SoHs/gKmH5POTVtrbCpNRAw1T4EMc8OE2905CQrAfpRz6Bbi2EPVN7BY2935Dqqii/8YFkPpZ4ls3DuUO8uR3V+kSg/Urxrwjkw/AjYVKi6XR2MOuWGSpuh4znJ0PP0CZ5X6D6DjOM0B26xKUJzFWzazpddlKNmatsac0TFtzQ8nQI4MEWUBsanEWNwUy5n8Jn6HbiH/8/UF4M2lBP0TKMP0ugwr7G5sPJSD/sY+DGUm92EEdZxLXqBPNrZ08xHkdQWhWqfYQwUJuQAAAABJRU5ErkJggg==",
           "contentType":"image/png",
           "height":20,
           "width":20,
           "values":
            [
               "15000000"
            ],
           "groupId":"0"
          }
       ],
      "legendGroups":
       [
          {
           "id":"0",
           "heading":"Population"
          }
       ]
     },
     {
      "layerId":1,
      "layerName":"Continent",
      "layerType":"Couche d’entités",
      "minScale":0,
      "maxScale":0,
      "legend":
       [
          {
           "label":"",
           "url":"2b90497d4e1f937bb028815bc524b090",
           "imageData":"iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWO5du1WCzMTkwMDFcDff/8OsIAMExMXtqaGga9evmVgYaAyYBk1kGLAQrkRqGDUQMoBCxXMQAGjBo6IMPz7798BUElLDQAyCwCqOBUP5x0VzgAAAABJRU5ErkJggg==",
           "contentType":"image/png",
           "height":20,
           "width":20,
           "groupId":"0"
          }
       ],
      "legendGroups":
       [
          {
           "id":"0",
           "heading":""
          }
       ]
     },
     {
      "layerId":2,
      "layerName":"World",
      "layerType":"Couche d’entités",
      "minScale":0,
      "maxScale":0,
      "legend":
       [
          {
           "label":"",
           "url":"ae4004e4c10ade204f90dae6fafddf79",
           "imageData":"iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAT0lEQVQ4jWP5/Plry79/fx0YqACYmJgPsIAMu3/vkTU1DFRUkmNgYaAyYBk1kGLAQrkRqGDUQMoBCxXMQAGjBo6IMGRiYj4AKmmpAUBmAQBPBxATI44UOwAAAABJRU5ErkJggg==",
           "contentType":"image/png",
           "height":20,
           "width":20,
           "groupId":"0"
          }
       ],
      "legendGroups":
       [
          {
           "id":"0",
           "heading":""
          }
       ]
     }
  ]
}