Lobby lobby_new = new Lobby();
                lobby_new.id = new_id;
                lobby_new.leader_id = currentUserId;
                lobby_new.player2_id = "null";
                lobby_new.player3_id = "null";
                lobby_new.player4_id = "null";
                lobby_new.ready_p2 = 0;
                lobby_new.ready_p3 = 0;
                lobby_new.ready_p4 = 0;
                lobby_new.status = 0;
                lobby_new.prize = 1000;
                lobby_new.CreationDate = DateTime.Now;
                currentUser.LobbyId = lobby_new.id;
                lDb.Lobbies.Add(lobby_new);
                lDb.SaveChanges();