Can be used as keep-alive. A successful ping will respond with a PONG (16)
No authorization is required for sending a ping
request.
A Ping package has no data so we only need to construct the header:
\x00\x00\x00\x00
\x00\x00
\x20
\xdf
Sending the Ping package
\x00\x00\x00\x00\x00\x00\x20\xdf
Responding Pong package
\x00\x00\x00\x00\x00\x00\x10\xef