nostr:npub19lt4284mghqxekzm6n5njxurnxrxhqhrva2leusdsuu5ja5jeycq66qfjk and borrowing rho phi from here, I get a similar error

https://www.htmlhelp.com/reference/html40/entities/symbols.html

https://files.mastodon.social/media_attachments/files/111/172/447/591/458/471/original/038240d2cae845ee.png