{
 "layers": [
  {
   "layerId": 0,
   "layerName": "Weir Structure",
   "layerType": "Feature Layer",
   "minScale": 24000,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "df0d9c87213f39b5f746eecf370393b9",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABAElEQVQ4je3SsWrCUBTG8b94DaZm0aEuCgpdXCounQsiXTsoPoCTm5OjWEdx79YXKKgvIPQBStuxm1PBTVKJRJPYEuIgQuytySL4LRfu4fw4HI4g5Igz6KYOZJHLC/D61w6bwABIArEDWB64lQHdGCLK6ELhR1Oxdwsbh8hMJw40gNR+ox8YTWmY30u0pyaxu6L3OTeg3IOZfuTZmBbc92HchpsrD3ufBrxDc4vmLuHzK6TDLmSgch0SWMrDpAPJBKgKPDwHAEs7mJtuzXsPocKvsLJx1haLco/Nfk0RaGsb6z/gm25Q1Q3fQRzAnTstA34AQ+TyKAO2CBARpPk0wV/YzT1w25+ZFwAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}