code: def verify_eth_transaction(signed_hextx, eth_data_field):
      
      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')
docs: Verify ethDataField field in transaction
      :param signed_hextx:
      :param eth_data_field:
      :return: