Variables
Const EVENT_CHALLENGE_ENDED
EVENT_CHALLENGE_ENDED: "challenge_ended" = "challenge_ended"
Const EVENT_FRIEND_ONLINE
EVENT_FRIEND_ONLINE: "friend_online" = "friend_online"
Const EVENT_WALLET_BALANCE_UPDATED
EVENT_WALLET_BALANCE_UPDATED: "wallet_balance_updated" = "wallet_balance_updated"
Const EVENT_WS_CONNECTED
EVENT_WS_CONNECTED: "ws_connected" = "ws_connected"