Get list of all stored chat's and user's

        :return: list of tuples where first element is chat id and second is user id

async def get_states_list(self) -> typing.List[typing.Tuple[int]]:
        """
        Get list of all stored chat's and user's

        :return: list of tuples where first element is chat id and second is user id
        """
        conn = await self.redis()
        result = []

        keys = await conn.keys(self.generate_key('*', '*', STATE_KEY), encoding='utf8')
        for item in keys:
            *_, chat, user, _ = item.split(':')
            result.append((chat, user))

        return result