{
 "layers": [
  {
   "layerId": 0,
   "layerName": "PurpleAir",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "288bda5156e24fe16a58ebe6abd86704",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAoUlEQVQ4je3TwQ2DMAwF0I/kKTpCNignD5GIQRjA7j4MwYkRmKdqlVaIBINCLkhYyiVKXr5imVC56Aa3iuNSVPpDqQmyQ8szJkRQz4IiGNDh8Ut6CtSAntd7FkqW5tCKR58kLgU1pNhuSjIaIQ7PLVAW8CFQjHRmUWaPP40w0v0fzaWk3MFMIyxULfA7Yi/4o2DSoDU4AmjiVBQVFd+8LPgGKD4eELKBu6QAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 1,
   "layerName": "BarrAg",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "82448dcc44ceb7c704b83c256fced2dc",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAf0lEQVQ4jWNhoDJgGXIGNjAwMNiTaMZBqD6sBtpbMTA4WBJp0nEGBoZjBFzIADKsmEgDe4kxkFLAQoy3kIElJQYeZ2BgCEYTW0vAUBYGKgOWoW2gJTTM0MXINhAEiE3k9PPycWgOIAYcJ8LAg8ewZCciCgcGXAbCSw1yweBPhwAgBxDQ8lzCBgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 2,
   "layerName": "MeteorologicalStation",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "",
     "url": "c06bd64baf2c495c9272a26f279391c8",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABDElEQVQ4ja2UwRGDIBBF/4EOvKUAeyAnrSHpxALQAugkueWuuUAP9EANyexGZ1CBmAl/hkEZfbvsfhAoLHHwu2aep1JABeBZCthUZzTecJZ9CaCqO8BLwGkG9iW2fFjiyHYrCdBwmmt5KMMx6ORKtN3w2Wm8EqyBgongBfL+ySYlAoYBSE7zmBYHLEBesBeMdYdm+1NKM2wIy7CtYUud9BZK3n6HpZrSe4PJac42qseJpx0s12UC7uq1UbTbImOXpOZuR00ucqcjqBUoAK3lXJDPUK4LT2fZGg7ELkiZXERhZ8BeAW9WhWdrLS5IbVtEgMobntvEdcUu8IZP104xIIG+iQJFv/vntoletm+UDGTdHuFdeQAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  },
  {
   "layerId": 3,
   "layerName": "MonitoringSites",
   "layerType": "Feature Layer",
   "minScale": 0,
   "maxScale": 0,
   "legend": [
    {
     "label": "Site A",
     "url": "50e406fdfb4a38bbbd88454a90a2aa9e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAq0lEQVQ4je2UUQ6AIAiGefBe2cmCk0U3azZUdKjVWushNnNZff4/SA4eDvcD60CZF7XGAEAyX8ohVqAYXgapDYfABNPUIGnLlLiMI6CPL69yox+EMQHA3IA6A5iUaVi9I1p+oa3wUNGLpbSOPWCmvtkpfAFIwcZx6QC3Btu1PkDJo2Wdy4LQCJi6YzbA1WmmswoT1DoaNvtc67GkUjuPFvFOlblTUDO+/4PdAb5UJkr+JUBqAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Site A"
     ]
    },
    {
     "label": "Site E",
     "url": "14ab2e29c1a24bc1b9f39e97f94c6fb3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAzUlEQVQ4je2UzQ3DIAyF34ExOgi3pjt0n5p9ukOdWwZhkMoEajcigURV1UOfhCAEfX42Pw4flvsDl6Lc38wcAwi531VDWoCKhtyCCdgEKswT4DM3MhBHYEqcEoxawOG1+PoATvKZJePUzsD9UoW6ClCdWZiVzMv/2Sl6HM4utiRl0NQ3HaqLr96UyN3AkNKYgu5uFTiWEfc5lPpIHWupizvdkNAC6u2Qo+EXYHH+DuMehwqtHA0Do71XT6JLIW3eJUU6ssu89gis6fcf2CcdDjZKGRGwMgAAAABJRU5ErkJggg==",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "Site E"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": "Site"
    }
   ]
  }
 ]
}