Set a feature's description

        :type feature_id: str
        :param feature_id: Feature UUID

        :type symbol: str
        :param symbol: Feature symbol

        :type organism: str
        :param organism: Organism Common Name

        :type sequence: str
        :param sequence: Sequence Name

        :rtype: dict
        :return: A standard apollo feature dictionary ({"features": [{...}]})

def set_symbol(self, feature_id, symbol, organism=None, sequence=None):
        """
        Set a feature's description

        :type feature_id: str
        :param feature_id: Feature UUID

        :type symbol: str
        :param symbol: Feature symbol

        :type organism: str
        :param organism: Organism Common Name

        :type sequence: str
        :param sequence: Sequence Name

        :rtype: dict
        :return: A standard apollo feature dictionary ({"features": [{...}]})
        """
        data = {
            'features': [
                {
                    'uniquename': feature_id,
                    'symbol': symbol,
                }
            ],
        }
        data = self._update_data(data, organism, sequence)
        return self.post('setSymbol', data)