The current integration not working? Yeah there's a couple lines that need adjusted to work properly with nostr-tools. @klabo still has an open PR that should fix that problem if they merge his. 
GitHub
feat(nostr): Add Typing Indicators by joelklabo · Pull Request #1904 · openclaw/openclaw
Summary
Adds Nostr typing indicators and updates Nostr DM handling to record sessions + route replies consistently, while fixing the SimplePool sub...