{
 "layers": [
  {
   "layerId": 0,
   "layerName": "หลุมเจาะสำรวจ",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "e5a0ac16deafebc59a8362b0af9c3e54",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA+0lEQVQ4jWNhoDJgGTVwiBnY0NDA9evXweK/f5/ZMzL+Z2VkFDnDw+PQU13d9pxkAxsaGth+/ty08tevcz4I0Vt2nz69sGtpKQyoqel/SpKBP38eyfv9+7wPuvifP/dMvn49Ws3AwJBFkoEMDM8t////j1Xm//+31rh04TTw/38GRlxy//4xMJFsIDOzyJHfv1kCGRj+YGpiETrGwHCXNANbWw/2VVYaevz6ddkVZigjIyMDM7Pm1b9/FcoYGE6TZiADAwNDe/t5t8pKy7r//986MzAwsDAxCZwVEZEvLypa/R2XHoIJu739eBMDA0MTQuQUXvVDPOsNTwMBcalWcgHYun4AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20
    }
   ]
  }
 ]
}