Verify ethDataField field in transaction
    :param signed_hextx:
    :param eth_data_field:
    :return:

def verify_eth_transaction(signed_hextx, eth_data_field):
    """
    Verify ethDataField field in transaction
    :param signed_hextx:
    :param eth_data_field:
    :return:
    """
    logging.info('verifying ethDataField value for transaction')
    ethdata_hash = []
    for s in signed_hextx.split('80a0'):
        ethdata_hash.append(s)
    ethdata_hash = ethdata_hash[1][:64]
    result = (eth_data_field == ethdata_hash)
    if not result:
        error_message = 'There was a problem verifying the transaction'
        raise UnverifiedTransactionError(error_message)
    logging.info('verified ethDataField')