def received(self):
        """
        A :class:`~charms.reactive.endpoints.JSONUnitDataView` of the data
        received from this remote unit over the relation, with values being
        automatically decoded as JSON.
        """
        if self._data is None:
            self._data = JSONUnitDataView(hookenv.relation_get(
                unit=self.unit_name,
                rid=self.relation.relation_id))
        return self._data
A :class:`~charms.reactive.endpoints.JSONUnitDataView` of the data
        received from this remote unit over the relation, with values being
        automatically decoded as JSON.