/usr/lib/systemd/user/obex.service is in bluez-obexd 5.23-2+deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | [Unit]
Description=Bluetooth OBEX service
[Service]
Type=dbus
BusName=org.bluez.obex
ExecStart=/usr/lib/bluetooth/obexd
[Install]
Alias=dbus-org.bluez.obex.service
|