{
 "layers": [
  {
   "layerId": 0,
   "layerName": "新增耕地",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "345a9ab74c8e4431fd61648071ccaa62",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAHZJREFUOI21k1EOgDAIQ7uE+18Zv2aMCLag/G2BtzKK4eOw34AO+BS2gGX3i6rAAc9ytiBjC/aDbzlB4RQahjKFPk55Ak1t04WWPlSgFLADpTaFgdIKVai0y7KxGQWSsdm2JGNPoe1NyfLCH1bnLK7QE8h4jIkD/LQ+ea5/ZmIAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "增减挂拆旧",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "52eb4fd629963f5dd04e363798a4334c",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAJBJREFUOI21kksOwCAIRDHhVj2/56IrmgnKR63uIMNz+DD9/PgaUKjLKazR09gmMBbqgjkbY04NsQeYFWthpBkc6k9WWNXcWwpR3nJF4y7FzmsGmGnClrHAc4wzTYGeiwiaAjOHqik5RIgHDQ/bg9nWyluutLd02JUFZG/Z4dZhZwuIOhocRnGUU+gHPJkbvhe84JLwP8zlSwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "增减挂建新",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "c2b91ac02e2c87ac1a2db66263961763",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAGVJREFUOI3t1M0KACEIBOAJfP9Xdk9CqMHsTh2C9dYgXz9Ihs1lx0AHXMUGMCwH89oBz1mu6IkDLa/8BpuzFvyKtaCCFVDFCqhiBVQxGmQxCmTflQL/waZ6Lhts5k9c9cRGlgO1HqQTPlGTIBVkAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 3,
   "layerName": "工矿废弃地复垦",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "7d928c4019f05c50579e0ce767cbed8f",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAJdJREFUOI21lNsNwCAIRW3CKI7oGB2xu9gfSZHyrJU/yeXk8ohQfg7YB6ytL9Ou8wCemN619SnH3zQ3DIEKkIqx0NC8HWLrHBbUbFxKKX7LAY2+FD4vCSBo7JZpgeaYztQFak4NqA/0HKIm5JBCNKh52BoMI33YkfZShx1ZgBN5h58O21sA1ZuHzf9E6Y/UcgP6ABfmRuMGbJmf1Fw9UKAAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}