interface CashBackMoneyI {
    /**
    * Buy subscription
    * 0x0000000000000000000000000000000000000000
    */
    function Subscribe(uint256 refererID) external payable;
}
/**
 * @title CashBackMoney Investing Contract Interface
 */
function Subscribe(uint256 refererID) external payable;

/**
 * Buy subscription
 * 0x0000000000000000000000000000000000000000
 */