请为我分析这个HTTP请求的意义是什么，简短的为我解释一下。URL：https://mobile.yangkeduo.com/proxy/api/dealer/faas-leo?action=GetGrayHit&key=transac-subsidiary.sku_reduce_price_area_font_size&pdduid=0
BODY: {"action":"GetGrayHit","key":"transac-subsidiary.sku_reduce_price_area_font_size"}
