{
 "layers": [
  {
   "layerId": 0,
   "layerName": "ฟอสฟอรัส (P)",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "สูง (> 25 mg/kg)",
     "url": "6f457ebda35da678d3563f5302341737",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgeYrGP5TYtDJCAZGFAOpBUYNHDVw1MBRA+lsIKw8o5qB1AIAbKEEc3szGuQAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      "3"
     ]
    },
    {
     "label": "ปานกลาง (10 - 25 mg/kg)",
     "url": "328ef735922ceb54a865fc1de88b6dff",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgf//M/ynxCBGRgZGFAOpBUYNHDVw1MBRA+lsIKw8o5qB1AIACTEDVHAdUUMAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      "2"
     ]
    },
    {
     "label": "ต่ำ (< 10 mg/kg)",
     "url": "f1e880d6a90fad644be88486a11eba44",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADFJREFUOI1jYaAyYKGZgS/Yhf5TYpDEz3eMKAZSC4waOGrgqIGjBtLZQFh5RjUDqQUAXqwGUTKb78QAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
      "1"
     ]
    }
   ]
  }
 ]
}