/usr/share/dbus-1/services/org.gnome.presage.service is in presage-dbus 0.9.1-2.1ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | [D-BUS Service]
Name=org.gnome.presage.beta
Exec=/usr/bin/presage_dbus_service --start
User=root
|