async def METHOD_NAME(
    self,
    key: StorageKey,
) -> Dict[str, Any]:
    redis_key = self.key_builder.build(key, "data")
    value = await self.redis.get(redis_key)
    if value is None:
        return {}
    if isinstance(value, bytes):
        value = value.decode("utf-8")
    return cast(Dict[str, Any], self.json_loads(value))