{
 "layers": [
  {
   "layerId": 0,
   "layerName": "网格",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "0 - 30",
     "url": "3a2e77a8532a99e9214f7d445eaf52de",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEZJREFUOI1jYaAyYKGZgTk5OZsoNWzKlCl+KC4MSptMtmHrZuUyMDDQ0sujBo4aOGrgqIE4DYQVQeSAKVOm+KEYCBOgFAAA+EMNGsujR/wAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      30
     ]
    },
    {
     "label": "31 - 60",
     "url": "1e148b4eaa83687fa5d7ca808efc5442",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEZJREFUOI1jYaAyYKGZgTk5OZsoNWzKlCl+KC5MncxBtmGzc38wMDDQ0sujBo4aOGrgqIE4DYQVQeSAKVOm+KEYCBOgFAAAEXwNZTAywuAAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      60
     ]
    },
    {
     "label": "61 - 100",
     "url": "e8cfaba69615c0e044d2b1cd2813ea35",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEZJREFUOI1jYaAyYKGZgTk5OZsoNWzKlCl+KC6cEjWZbMNyluUyMDDQ0sujBo4aOGrgqIE4DYQVQeSAKVOm+KEYCBOgFAAA5XEM5I1hi1wAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      100
     ]
    },
    {
     "label": "101 - 2000",
     "url": "bd2991b2703cf5782e84a0592eb7b82a",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEZJREFUOI1jYaAyYKGZgTk5OZsoNWzKlCl+KC60u7aZbMMOafkyMDDQ0sujBo4aOGrgqIE4DYQVQeSAKVOm+KEYCBOgFAAAzdcMnsnUEsEAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      2000
     ]
    }
   ]
  }
 ]
}