Get the message lodged.

        Returns
        -------
        an :class:`aionationstates.ApiQuery` of :class:`aionationstates.Post`

async def post(self):
        """Get the message lodged.

        Returns
        -------
        an :class:`aionationstates.ApiQuery` of :class:`aionationstates.Post`
        """
        post = (await self.region._get_messages(
            fromid=self._post_id, limit=1))[0]
        assert post.id == self._post_id
        return post