List<WrappedWatchableObject> objectList = Lists.newArrayList();

    for (WrappedWatchableObject object : entityMetadataPacket.getMetadata()) {
        if (object.getIndex() == 2) {
            WrappedWatchableObject newObject = ((AbstractCommonSpigotWrapper) CommonWrapper.getWrapper()).buildWatchableObject(2, text);
            objectList.add(newObject);
        } else {
            objectList.add(object);
        }
    }

entityMetadataPacket.setMetadata(objectList);