So I have a VF page with Streaming API and it's working fine in me because I'm the System Administrator. Now I'm testing out as another user with different profile, and the Streaming API is not working for this user.
This is what I enabled In user's Profile:
Object PushTopic Read - true
And also The Custom Object I'm Streaming
Enable Streaming API - true
And of course I enabled the Streaming API for my ORGANISATION.
Did I miss something?