{ "layers": [ { "layerId": 0, "layerName": "GroundwaterQualityZoneReferenceData", "layerType": "Feature Layer", "minScale": 3000000, "maxScale": 0, "legend": [ { "label": "", "url": "2628f2e4dfaa08c9842826b9fdf9a179", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAADpJREFUOI1jYaAyYKGZgf8ZGP5TahgjAwMjC7oAuYbBHEQ7L48aOGrgqIGjBuI0kJIyEVb0saALUAoAtHoGU/jZDVYAAAAASUVORK5CYII=", "contentType": "image/png", "height": 20, "width": 20 } ] } ] }