/usr/share/dbus-1/services/org.holylobster.nuntius.service is in nuntius 0.2.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | [D-BUS Service]
Name=org.holylobster.nuntius
Exec=/usr/bin/nuntius --gapplication-service
|