{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Tên tim đường",
   "layerType": "Feature Layer",
   "minScale": 100000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "1902b9c5827274b681420168dc49fead",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADJJREFUOI1jYaAyYBk1cNTAYW3gw4cP/6NLysvLM2LThE8tC7oAMQCf2iEUhqMGDmMDAU7ZCQ06ykpHAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}