We were using the Rust Nostr SDK and it had an issue where it would remove the trialing slash from a relay in a 9734 event. This would then fail verification because the signatures wouldn’t match. #[3] fixed either the SDK or the version we were using to not modify the values and now everything works!
Discussion
Gotcha! We’ll I’m glad you got to the bottom of things! Considering your business it makes sense that you would. :)