3000*3000=9,000,000 which is 8.5mb and more than the 8mb max.... sigh
Custom data; anything you make it do
JSON of info like userId, boardId, premium status, etc.
Whenever the browser by default tries to send a packet (like if you manually draw) this will call with packetData.
UUID Callbacks from UI input
Socket data; from the pixelplace socket
Sends canvas data