RatingBatchCreate(RatingBatchCreate)

{
    "ratings": [
        {
            "comment": "很好的商品",
            "resource_id": "prod_123",
            "resource_type": "product",
            "score": 5
        },
        {
            "comment": "还不错",
            "resource_id": "prod_124",
            "resource_type": "product",
            "score": 4
        }
    ]
}