not quite. just discovered accidently, that if you enable "Show magazine subscriptions" under settings - privacy, anyone will be able to read your subscriptions
edit:
just found that userscript
https://kbin.social/m/kbinMeta/t/64940/Mockup-I-m-a-fan-of-having-all-my-favorite-subs-magazines#entry-comment-280915
which works great (at least for me)
https://notebin.de/