@classmethod
def deserialize_item(cls, item):
    """
        Deserialize a query that stored in ``item`` tuple like: (key, value)
        """
    fields = getattr(cls, 'fields', None)
    if fields and isinstance(fields, dict):
        if item[0] in fields:
            return {item[0], fields[item(0)].deserialize(item[1])}
    return {item[0]: item[1]}
