{ "layers": [ { "layerId": 78, "layerName": "potomac_012c_salinity_point_22", "layerType": "Feature Layer", "minScale": 2000000, "maxScale": 0, "legend": [ { "label": "", "url": "c2c9eed8f65c4096f28b849324fa513d", "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAfUlEQVQ4jdWS0Q2AMAhEaXITdbNO4mauVL80JMIBpiZ6ny19d1Agi4WfAfdtPqL00WzgAuFdYB/talu1YcqpA33gQcmscTvRKSMZhnyGVsrADK7z+VBDNcwZB1wr1jr5MEhGhYUHvbVSBusEWSyEFZVll2zCBEhKwIK+DzwA384vPe73PZUAAAAASUVORK5CYII=", "contentType": "image/png", "groupId": "0", "height": 20, "width": 20 } ], "legendGroups": [ { "id": "0", "heading": "" } ] } ] }