There seems to be no direct way in Redis OM to relay `nx` from .save() to the underlying Redis SET call. In the Redis OM source this is what the `save` looks like: ``` def save( self: "Model", pipeline: Optional[redis.client.Pipeline] = None ) -> "Model": self.check() db = self._get_db(pipeline) db.json().set(self.key(), Path.root_path(), json.loads(self.json())) return self ``` There is no argument in `save` that allows me to set the `nx` flag and pass it downstream to the `.set(...)` call. `set` does have an `nx` flag option, but the wrapper `save` method does not. ``` def set( self, name: str, path: str, obj: JsonType, nx: Optional[bool] = False, xx: Optional[bool] = False, decode_keys: Optional[bool] = False, ) -> Optional[str]: ```