{"code":"SignatureDoesNotMatch","message":"Specified signature is not matched with our calculation. server string to sign is:POST&%2F&AccessKeyId%3DLTAI5t6TfVmnXGapKuhbYJxe%26Action%3DSendSms%26Format%3DJSON%26PhoneNumbers%3D17621940266%26RegionId%3Dcn-hangzhou%26SignName%3D%25E6%2588%2590%25E7%25A7%258B%25E7%25A7%2591%25E6%258A%2580%25E7%259F%25AD%25E4%25BF%25A1%25E9%25AA%258C%25E8%25AF%2581%25E7%25A0%2581%26SignatureMethod%3DHMAC-SHA1%26SignatureNonce%3D9554c656-f112-4122-9f3d-9b17b1a8b5b1%26SignatureVersion%3D1.0%26TemplateCode%3DSMS_279970069%26TemplateParam%3D%257B%2522code%2522%253A%2522864070%2522%257D%26Timestamp%3D2023-06-19T12%253A51%253A58Z%26Version%3D2017-05-25"}