Well lets see if I can run an Alby hub tomorrow.

@Jadi You might want to consider Fountain for your podcast.

Well well, Alby is invite only and Wallet of Satoshi is not provided in my country in Play Store. So, is there any other suggestion for a human readable LN address?

Cooool! I didn't know that DMs in Nostr are encrypted which is not the case in Mastodon and other Fediverse clients.