{
 "layers": [
  {
   "layerId": 3,
   "layerName": "SDE.KnoxBox",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "NO",
     "url": "c791c35f3b25541e6ea7c196b4d2a5a7",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAbklEQVQ4jWNhoDJgobWBRmSacw6bgUYyDAybbBgYeEkx6QgDw+cnDAx+MENRXGjDwMDbx8DAR4qBRQwMDCuQ+DQPw1EDRw0cNZCggUcYGD4XkWjAEQaGz7gMPPeEgcFvBQNZAGvxhSJBLqB6GAIAzEMQdDYtcisAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "NO"
     ]
    },
    {
     "label": "YES",
     "url": "be4d916e736e36feb620a4d238abaf60",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAbklEQVQ4jWNhoDJgobWBRmSacw6bgUYMvPKbGGQdeUky6vH+zwyfH/rBDEV1oawjL4PbfD6SDNyVyMBwbQGcS/MwHDVw1MBRAwkb+Hj/Z4ZdiaSZ8Hj/Z1wGnmP4/NAPOaOTALAWXygS5AKqhyEAqFAYh938rjYAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "YES"
     ]
    },
    {
     "label": "<all other values>",
     "url": "273991db7bd654d8c061e7c5e2dd51b2",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAdElEQVQ4jWNhoDJgobWBRmSacw6bgUY8PDybpKWleUkx6enTp5+/fPniBzMUxYXS0tK8jo6OfKQYuH//foabN2/C+TQPw1EDRw0cNZCggU+fPv28f/9+kgx4+vTpZ1wGnvvy5YsfckYnAWAtvlAkyAVUD0MAKxgh6MunWEIAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "1",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Existing"
    },
    {
     "id": "1",
     "heading": ""
    }
   ]
  }
 ]
}