It's not that straightforward I think, but there is https://viewsource.win/npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6/promenade: nostr:nevent1qqsqqqph7l5mv0fv5hekm0nxx7ty9nszfmyhpjhh84h3srugvxe9e9qpr9mhxue69uhhq7tjv9kkjepwve5kzar2v9nzucm0d5q35amnwvaz7tmrdpex7mnfvdkx2tnyw3hkummw9e3k7mgzyqalp33lewf5vdq847t6te0wvnags0gs0mu72kz8938tn24wlfze6kfp7fz

That's what made me realize we needed to decouple encryption keys from identity keys.

There is also Frostr that is doing a similar thing but with different goals.