发送以下内容，报错，请帮帮查看问题出在哪里
body:
{"url":"www.test.com/md3/1.pdf","filename":"1657764531459582601.pdf","scale":150,"quality":100,"long_pic":false}
body md5:
b19446ea8885afaeada8afb8eeb1c5cd
appId:
SX20240202UFNXSB
appSecurity:
ttaEKyLoCwuVgUQDPmNUsTdULgmbxphe
contentType:
application/json
mgtDate:
Sun, 04 Feb 2024 10:20:28 GMT
signature:
53f10de31f813f7dc1649f7c35be3b092c110fcf
Authorization:
WPS-2:SX20240202UFNXSB:53f10de31f813f7dc1649f7c35be3b092c110fcf
报错: [size=135 text={"code":30003,"message":"InvalidSignature","hint":"not a valid d…]
