def scene_remove(frames):
        """parse a scene.rm message"""
        # "scene.rm" <scene_id>
        reader = MessageReader(frames)
        results = reader.string("command").uint32("scene_id").assert_end().get()
        if results.command != "scene.rm":
            raise MessageParserError("Command is not 'scene.rm'")
        return (results.scene_id,)
parse a scene.rm message