curl --location --request GET 'https://test-api.yunjishop.cn/recommend/app/letter/getLetterDetail?sentLetterId='
{
"code": 0,
"msg": "string",
"trace": "string",
"data": {
"sentLetterId": 0,
"fromUserId": 0,
"sentLetterAvatar": "string",
"sentLetterNickname": "string",
"createTime": "2019-08-24T14:15:22Z",
"isReply": 0,
"replyLetterUserId": 0,
"replyLetterAvatar": "string",
"replyLetterNickname": "string",
"replyLetterTime": "2019-08-24T14:15:22Z"
}
}