Host sends data to all clients connected to the session (instance owner does not receive this packet).
{"msg":"received","instance_guid":"my_session_id_here","DataStream":{"id":"move","x":34,"y":96},"role_id":"superadmin"}

All of the connected clients except for the host receives:
{"MSG":"Rx","DataStream":{"id":"move","x":34,"y":96},"RoleID":"superadmin","RoleColor":"red"}