/usr/share/dbus-1/services/org.ukui.PowerManager.service is in ukui-power-manager 1.1.1-0ubuntu1.
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.ukui.PowerManager
Exec=/usr/bin/ukui-power-manager
|