{
  "layers" : [
    {
      "layerId" : 0, 
      "layerName" : "Urbanized Area 2010", 
      "layerType" : "Feature Layer", 
      "minScale" : 5000000, 
      "maxScale" : 0, 
      "legend" : [
        {
          "label" : "", 
          "url" : "81DB6464", 
          "imageData" : "iVBORw0KGgoAAAANSUhEUgAAACIAAAAbBAMAAADrHECUAAAACVBMVEUAAADovv/+//8J+oyOAAAAA3RSTlP//wDXyg1BAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAJUlEQVQYlWNQQgcMSgyogIlBgQEdYBMRRAYCoyK0EiEcFxgxCAA2ABgP9PQMPQAAAABJRU5ErkJggg==", 
          "contentType" : "image/png"
        }
      ]
    }]
}