Package: qt5-qdbusviewer

"qt5-qdbusviewer" package binaries on CentOS:

/usr/bin/qdbusviewer-qt5 /usr/lib64/qt5/bin/qdbusviewer /usr/lib64/qt5/bin/qdbusviewer-qt5

You may install this package on CentOS with yum install qt5-qdbusviewer