{ "layers": [ { "layerId": 0, "layerName": "MR.MineralOccurrence", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "Mineral Occurrence", "url": "f81d18d03942577138003b6066353f29", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAY0lEQVQ4jWNhoDJgGTVw6IWhEg7xe+QYqDR79uy7PDw8KIJfvnxhSE1NVcZlKAs+54EMk5SURBF7/vw5Pi0Mo+mQASMC0MMMJEZuGN6DxiZWOXIMxKsRF2AhVcOogRiA6mEIABfSGM7qCiqOAAAAAElFTkSuQmCC", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }