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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _ParseJournalEntry(self, file_object, file_offset):
 """Parses a journal entry. This method will generate an event per ENTRY object. Args: file_object (dfvfs.FileIO):
 a file-like object. file_offset (int):
 offset of the entry object relative to the start of the file-like object. Returns: dict[str, objects]: entry items per key. Raises: ParseError: when an object offset is out of bounds. """

    entry_object = self._ParseEntryObject(file_object, file_offset)

    # The data is read separately for performance reasons.
    entry_item_map = self._GetDataTypeMap('systemd_journal_entry_item')

    file_offset += 64
    data_end_offset = file_offset + entry_object.data_size - 64

    fields = {'real_time': entry_object.real_time}

    while file_offset < data_end_offset:
      try:
        entry_item, entry_item_data_size = self._ReadStructureFromFileObject(
            file_object, file_offset, entry_item_map)
      except (ValueError, errors.ParseError) as exception:
        raise errors.ParseError((
            'Unable to parse entry item at offset: 0x{0:08x} with error: '
            '{1!s}').format(file_offset, exception))

      file_offset += entry_item_data_size

      if entry_item.object_offset < self._maximum_journal_file_offset:
        raise errors.ParseError(
            'object offset should be after hash tables ({0:d} < {1:d})'.format(
                entry_item.object_offset, self._maximum_journal_file_offset))

      event_data = self._ParseDataObject(file_object, entry_item.object_offset)
      event_string = event_data.decode('utf-8')
      key, value = event_string.split('=', 1)
      fields[key] = value

    return fields