{
  "layers" : [
    {
      "layerId" : 0, 
      "layerName" : "Curvas de nivel ", 
      "layerType" : "Feature Layer", 
      "minScale" : 1000000, 
      "maxScale" : 0, 
      "legend" : [
        {
          "label" : "equidistancia 100 m.", 
          "url" : "11AD326", 
          "imageData" : "iVBORw0KGgoAAAANSUhEUgAAABsAAAAbBAMAAAB/+ulmAAAABlBMVEVzAAD+//8prYqFAAAAAnRSTlP/AOW3MEoAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAAXSURBVBiVYxBEBgIMw4CLBgaJq0jhAgAbexgTuOMt0wAAAABJRU5ErkJggg==", 
          "contentType" : "image/png"
        }
      ]
    }]
}