function decreaseApprovalPreSignedHashing(
        address _token,
        address _spender,
        uint256 _subtractedValue,
        uint256 _fee,
        uint256 _nonce
    )
        public
        pure
        returns (bytes32)
    {
        
        return keccak256(abi.encodePacked(bytes4(0x59388d78), _token, _spender, _subtractedValue, _fee, _nonce));
    }