You need to use the Authorization Code Flow.
The Subscriptions Event topic requires the channel:read:subscriptions scope, so you need the streamer to go through your auth process to grant you the token to see their subscription events.
You need to use the Authorization Code Flow.
The Subscriptions Event topic requires the channel:read:subscriptions scope, so you need the streamer to go through your auth process to grant you the token to see their subscription events.