强烈建议：任天堂下次NS更新，eshop增加本机充值记录：包括 prepaid 充值卡的卡号及充值确认时间。
经过与eshop美服客服人工沟通，目前可以通过由我们提供充值卡卡号，客服帮我们查询对应的激活时间。
对话模板如下：
Hi there,
I am having problem with my eshop prepaid card.
I may need your help to check when the card was been activated/redeemed, the exactly time.
my prepaid card number(code) is : xxxx xxxx xxxx xxxx
thx a lot.
希望对大家有帮助。