{
  "id" : 0, 
  "name" : "新建图层组", 
  "type" : "Group Layer", 
  "description" : "", 
  "definitionExpression" : "", 
  "geometryType" : "", 
  "copyrightText" : "", 
  "parentLayer" : null, 
  "subLayers" : [
    {"id" : 1, "name" : "2019.08.07_一级道路大大"}, 
    {"id" : 2, "name" : "2019.08.07_一级道路大"}, 
    {"id" : 3, "name" : "2019.08.07_一级道路"}, 
    {"id" : 4, "name" : "二级道路中心线大大"}, 
    {"id" : 5, "name" : "二级道路中心线大"}, 
    {"id" : 6, "name" : "二级道路中心线"}, 
    {"id" : 7, "name" : "三级道路中心线"}, 
    {"id" : 8, "name" : "道路中心线1"}, 
    {"id" : 9, "name" : "开发区周围小路"}, 
    {"id" : 10, "name" : "小路"}
  ], 
  "minScale" : 0, 
  "maxScale" : 0, 
  "defaultVisibility" : true, 
  "extent" : {
    "xmin" : 13679788.2699103, 
    "ymin" : 5088457.02718976, 
    "xmax" : 13742218.3228658, 
    "ymax" : 5137514.24314952, 
    "spatialReference" : {
      "wkid" : 3857
    }
  }, 
  "hasAttachments" : false, 
  "htmlPopupType" : "esriServerHTMLPopupTypeNone", 
  "drawingInfo" : null, 
  "displayField" : null, 
  "fields" : [], 
  "typeIdField" : null, 
  "types" : null, 
  "relationships" : [], 
  "capabilities" : "Map,Query,Data"
}