how to start syncthing as a user service - dinit

im on a dinit based system and want to start syncthing as a regular user service. currently, its running as root (which bugs me a lot, as it's playing on the network) using the syncthing-dinit service located at /etc/dinit.d/syncthing. i know i can run it with a custom syncthing dinit service file. but, i just want to know how to make use of the existing syncthing-dinit service file

thanks in advance