{
 "layers": [
  {
   "layerId": 0,
   "layerName": "rice",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "นาข้าวอายุ < 1 เดือน",
     "url": "89520c271ed5766a6157b305d1491145",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAARklEQVQ4je3QMQ1AIRAE0SFZF1jC0wdPWEIHJL+jvu24EfCKEUBbdEzpxwqfRdsMYU4JhlOcuEswngzGVYLvPNwMBzYr/QDhYQiCOs9v7QAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "1"
     ]
    },
    {
     "label": "นาข้าวอายุ > 1 เดือน",
     "url": "ac13f22932cc0dea42ca43859636513d",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAQUlEQVQ4je3QsQ0AIAwDQUfypCxCsgirgqBLHXfkB7jiiduAQxQftjElmiEIcWywHOtErsF6FBipBv95aAiJtuAH6BEFtZO9IewAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "2"
     ]
    },
    {
     "label": "<all other values>",
     "url": "f515d54ace82bb5043c58ad49506e235",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAUElEQVQ4jWPJz8/vkNaQs2GgAuAX4dvDAjLMPtrZmhoGHly6l4GFgcqAZdRAigEL5UagglEDKQcsVDADBYwaOCLCkF+Ebw+opKUGeHrj0REAchMN+7/ScxwAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "1",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "remark"
    },
    {
     "id": "1",
     "heading": ""
    }
   ]
  }
 ]
}