{
 "layers": [
  {
   "layerId": 0,
   "layerName": "黄河流域河流",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "7479a6ae9f39392db2249079d0c8f6de",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAACxJREFUOI1jYaAyYBk1cNTA4WtgZ9R/qphWvoyRBcagioEMQycMRw0c3gYCAFCBBG/9V6Y0AAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "黄河流域1",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "6cd91fdbcff3c5fe20a44fb7e73d66a4",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEVJREFUOI1jYaAyYKGZgTk5Of8pNWzKlCmMKC4M6g4n27B1pSsZGBho6eVRA0cNHDVw1ECcBsKKIHLAlClTGFEMhAlQCgDlxAyXaFldVQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "黄河流域涉及的省份",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "756af1d3e8f3c56e57a96af360e616e1",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEVJREFUOI1jYaAyYKGZgTk5Of8pNWzKlCmMKC5sTeom27DqeaUMDAy09PKogaMGjho4aiBOA2FFEDlgypQpjCgGwgQoBQDQdQxZ2cNUtwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 3,
   "layerName": "黄河流域涉及的地市1",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "72c9839a1af7e55a895291bc7e479fef",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEVJREFUOI1jYaAyYKGZgTk5Of8pNWzKlCmMKC7szI4g27DyqSsYGBho6eVRA0cNHDVw1ECcBsKKIHLAlClTGFEMhAlQCgDdTgx/G9o5ggAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 4,
   "layerName": "黄河流域涉及的地市",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "35f118f813daded85220b50898fb5060",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAEVJREFUOI1jYaAyYKGZgTk5Of8pNWzKlCmMKC6M6fQj27Al5ZsYGBho6eVRA0cNHDVw1ECcBsKKIHLAlClTGFEMhAlQCgDmCQyYvX4MHwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}