pve-fake-subscription/usr/lib/systemd/system/pve-fake-subscription.timer

[Unit]
Description=Refresh fake Proxmox VE subscription cache every day

[Timer]
OnActiveSec=0s
OnBootSec=0s
OnCalendar=daily
RandomizedDelaySec=60s
Persistent=true

[Install]
WantedBy=timers.target