how many messages are you sending, to how many clients? likewise, how are you running a public node server for free? how many of these servers are you running?

how many messages are you sending, to how many clients? likewise, how are you running a public node server for free? how many of these servers are you running? what if... etc, etc. not dismissing your library, but sounds like a case of "i don't know what i don't know". pusher exists as a service for a reason. there's a bit more to it than pushing json around.