protected void cachePluginData(final String dataString) {
        final PluginData pluginData = GsonUtils.getInstance().fromJson(dataString, PluginData.class);
        Optional.ofNullable(pluginData)
                .flatMap(data -> Optional.ofNullable(pluginDataSubscriber)).ifPresent(e -> e.onSubscribe(pluginData));
    }
watchCommonList.
examples data:
 meta.list
  -> meta.id
  -> meta.id
  -> meta.id
@param keyPrefix keyPrefix
@param updateHandler updateHandler
@param deleteHandler deleteHandler
shenyu-sync-data-center/shenyu-sync-data-api/src/main/java/org/apache/shenyu/sync/data/core/AbstractNodeDataSyncService.java