MultiResponseProductTrendSnapshotSummary

{
    "success": true,
    "errorCode": "string",
    "errorMessage": "string",
    "data": [
        {
            "updatePeriod": "2026-05-20",
            "itemId": 0,
            "itemName": "string",
            "itemRating": 123.45,
            "itemFeedbacks": 0,
            "price": 123.45,
            "sales": 0,
            "gmv": 123.45
        }
    ]
}