function setJackpotGameTimerAddition(uint256 _jackpotGameTimerAddition) external onlyOwner {
        if (chainId == 1) {
            
            require(jackpotValue <= 1 ether);
        }
        if (chainId == 99) {
            
            require(jackpotValue <= 4500 ether);
        }
        require(_jackpotGameTimerAddition >= 2 minutes, "must be more than 2 minutes");
        require(_jackpotGameTimerAddition <= 1 hours, "must be less than 1 hour");
        jackpotGameTimerAddition = _jackpotGameTimerAddition;
    }