V8NativeProtocolParser parser = V8ProtocolParserAccess.get();
IncomingMessage response = parser.parseIncomingMessage(json);
Long l1 = response.seq();
MessageType type = response.type();
CommandResponse commandResponse = response.asCommandResponse();
Long l2 = commandResponse.requestSeq();
boolean success = commandResponse.success();
SuccessCommandResponse successResponse = commandResponse.asSuccess();
Boolean running = successResponse.running();
Object body = successResponse.body();