/usr/share/dbus-1/services/com.canonical.payments.service is in pay-service 15.10+16.04.20160324.1-0ubuntu1.
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=com.canonical.payments
Exec=/usr/lib/x86_64-linux-gnu/pay-service/pay-service-2
|