public void publishEvent(final String eventName, final String targetInstanceId, final String data) {
        final long now = System.currentTimeMillis();
        final long ttl = ComponentUtil.getFessConfig().getCoordinatorEventTtlAsInteger().longValue();

        final Map<String, Object> bodyMap = new java.util.LinkedHashMap<>();
        bodyMap.put("type", TYPE_EVENT);
        bodyMap.put("name", eventName);