修改搜索直达活动配置

curl --location --request POST 'http://dev-cn.your-api-server.com/v3/alipay/open/search/boxactivity/modify' \
--header 'Content-Type: application/json' \
--data-raw '{
    "video_info": {
        "video_btn_text": "string",
        "video_coverimg_id": "string",
        "video_sub_title": "string",
        "video_title": "string"
    },
    "action_url": "alipays://platformapi/startapp?appId=2021001198637195&pages/kaq_maid/kaq_maid",
    "background_word": "搜索底纹推广词",
    "box_activity_id": "20211223000000100000",
    "material_id": "20211206OB020010034807196034",
    "material_type": "IMAGE",
    "merchant_id": "2088xxxxxxxxxxxx",
    "target_appid": "2021001191699651",
    "target_appname": "目标小程序名",
    "target_regions": [
        {
            "region_code": "string",
            "region_name": "string",
            "region_type": "string"
        }
    ],
    "title": "活动标题",
    "end_time": {},
    "start_time": {}
}'