MultiResponseItemHotWordSummary

{
    "success": true,
    "errorCode": "string",
    "errorMessage": "string",
    "data": [
        {
            "timest": "2026-05-26",
            "site": "tw",
            "hotWordName": "连衣裙",
            "itemCount": 1200,
            "sales30day": 50000,
            "gmv30day": 1500000,
            "recPrice": 3.5,
            "searchIndex": 85000
        }
    ]
}