case 2: {
                        std::string data_u;
                        decompressLZ4(blockdb_data.raw_nodes, data_u);
                        std::istringstream iss_u(data_u, std::ios_base::binary);
                        MapNode::deSerializeBulk(iss_u, version, data, nodecount,
                                        content_width, params_width, false);
                        break;
                }
                default: {
                        MapNode::deSerializeBulk(is, version, data, nodecount,
                                        content_width, params_width, blockdb_data.epixel_version == 0);
                        break;
                }