{ "layers": [ { "layerId": 0, "layerName": "Geochronology", "layerType": "Feature Layer", "minScale": 0, "maxScale": 0, "legend": [ { "label": "", "url": "c5f878b9cf2e62befe5ddbaec9c5f893", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAFNJREFUOI1jYaAyYBk1cNRAOPiPxGak1MD/aX0Izqwihv/4DCVkIIphDAwMDGl9+A0d+pHCOKsIIwwZGCgIQ7ihyHx8ion1Ml5DyDGQaDBqIOUAAL6vEF6qfYyvAAAAAElFTkSuQmCC", "contentType": "image/png", "height": 20, "width": 20 } ] } ] }