{ "layers": [ { "layerId": 18, "layerName": "Bridges, Dams, Structures", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "062bfe0868762e5d872d4bd764efe1a3", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAiUlEQVQ4jWNhoDJgGTWQYsAybAxsgNIHoJgiAxtMHYXqQYynD77XP7v/vRHJApINdJBS5Kw3cRQEc0wYBBnO7H9ff3r/OwZchrIQMlBagZOAEgoj5emD7wz4wpGFgP4GkPdAYQdzKTQMyTYQBBqe3f9+4Nn97w5gHp4IIcXLBJPL8MspRIPBbyAAm/gp+6+1MswAAAAASUVORK5CYII=", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }