Ah ok, you are checking my ruby lib and now I understand what you are referring to with "channels".
Channel messages are kind 42, currently they are seldom used, a lot of client show only kind 1 (main notes) in the feeds, they don't subscribe to channels ones, so you didn't receive any notification.
Amethyst is the only client I know that formally support channels.
For you use case, while waiting a general better channels' support, perhaps you can just use kind-1 events, they are public as much kind-42 and no one care what flows on the global :)
dtonon / daniele
npub100…8vwqk
2023-03-04 01:02:23
in reply to nevent1q…e6s2
Author Public Key
npub10000003zmk89narqpczy4ff6rnuht2wu05na7kpnh3mak7z2tqzsv8vwqkSeen on
wss://relay.nostr.bandPublished at
2023-03-04 01:02:23Event JSON
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