Running Jack as a differnt user

Friends
Is there a way I can set up Jack so it runs as the user patch?` Such that the patch user can conveniently stop and start the server?

I have tried editing /etc/systemd/system/multi-user.target.wants/jack.service

User=patch
Group=patch

This gets jack running as patch, but as I cannot find a way to stop and start the service, as patch without using sudo or having to enter a password.

Because of the problems I am having with jack I want to be able to start and stop the service from a script.

Use systemd user unit files instead, systemd/User - ArchWiki, I think you have to run systemctl with --user arg among others.