Hi,
I got the solution. I am adding the solution in here for the other if anyone face the same problem in the future,
QByteArray ByteArray;
QString StringTemp = pByteArrayImageDatabaseUUID[0].toHex().data();
StringTemp.insert(8,QString("-"));
StringTemp.insert(13,QString("-"));
StringTemp.insert(18,QString("-"));
StringTemp.insert(23,QString("-"));
StringTemp.insert(36,QString("}"));
StringTemp.insert(0,QString("{"));
QUuid UuidUser(StringTemp);