[
    {
        "IndexName": "index_search",
        "MgoKeySchema": {
            "MgoIndexKeys": [
                {
                    "Name": "platform",
                    "Direction": "1"
                },
                {
                    "Name": "scene_code",
                    "Direction": "1"
                }
            ],
            "MgoIsUnique": true
        }
    }
]