{
 "layers": [
  {
   "layerId": 0,
   "layerName": "县界",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "54189c94929e36525baa13b434b83c69",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAH5JREFUOI1jeXfq5H8GKgIWBgYGhgfXLlPFMAUtXYiBDAwMDEYJKSQbcG7BHDjbKCGF4d2pkwgDzy2Yw2CUkMJIioEwR5xbMAcebCw4VZMJKPIyXgOpBUYNHDVwWBkIKyho60LkUoMqBpJSQKCXhSheVtDSZXh36iTZrkLWCwD5FiXKCfzloAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "乡镇界",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 200000,
   "legend": [
    {
     "label": "",
     "url": "52197230ab2e1df4c2323abe9cfb78df",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAENJREFUOI1jYaAyYGFgYGA4yvD/PzUMs2ZgZGShhkHIAMVAawZGRnIMQfYhbV04auCogaMGDg8DqVEu0saF5JaD2AAA2rYJUZ128tQAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "村级调查区",
   "layerType": "Feature Layer",
   "minScale": 200000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "93e05c54f4b9674fa30689cbcd07618e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAENJREFUOI1jYaAyYGFgYGBYyfDsPzUMC2eQYmShhkHIAMXAcAYpRnIMQfYhbV04auCogaMGDg8DqVEu0saF5JaD2AAAt4QJUf8zID8AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}