{
 "layers": [
  {
   "layerId": 0,
   "layerName": "SHENG",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "550fe96f753663a5c029a7dd1a9b0f31",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEtJREFUOI1jYaAyYGFgYGCQvPb/P6UGPddiZIQbSA0gee3//+dajIwoBsJsIccwGJtqLhw1cNTAUQOHsYHUKBep5kKUApbcchAbAABJBBFkTP5yZwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "SHI",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "550fe96f753663a5c029a7dd1a9b0f31",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEtJREFUOI1jYaAyYGFgYGCQvPb/P6UGPddiZIQbSA0gee3//+dajIwoBsJsIccwGJtqLhw1cNTAUQOHsYHUKBep5kKUApbcchAbAABJBBFkTP5yZwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "XIAN",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "550fe96f753663a5c029a7dd1a9b0f31",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEtJREFUOI1jYaAyYGFgYGCQvPb/P6UGPddiZIQbSA0gee3//+dajIwoBsJsIccwGJtqLhw1cNTAUQOHsYHUKBep5kKUApbcchAbAABJBBFkTP5yZwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}