public JsonElement serialize(Event e, Type typeOfSrc, JsonSerializationContext context) {

        DateFormat format = SimpleDateFormat.getDateTimeInstance();

        JsonObject event = new JsonObject();

        event.addProperty("logId", e.getStoreID());

        event.addProperty("id", e.getID());

        event.addProperty("time", format.format(new Date(e.getTime())));

        event.addProperty("type", toAuditEventType(e.getType()));

        JsonObject eventProperties = new JsonObject();

        Map<String, String> p = e.getProperties();

        for (String key : p.keySet()) {

            eventProperties.addProperty(key, p.get(key));

        }

        event.add("properties", eventProperties);

        return event;

    }