以下是验签失败的错误返回信息:
验签失败:serial=[7B8F4034FBF749FFA6C37391DD27420A5A5739F3] message=[1681442522
R6WJ2Ik9L3rSfypvrGVlbiidNMP6LU0x
{"id":"874d9bc1-8f88-5280-95c9-1ae296d46709","create_time":"2023-04-14T11:20:56+08:00","resource_type":"encrypt-resource
","event_type":"TRANSACTION.SUCCESS","summary":"閺?顖欑帛閹存劕濮?","resource":{"original_type":"transaction","algorithm
":"AEAD_AES_256_GCM","ciphertext":"GK18sQ5a0Vmoz1acpev8BtN89g3Vo9Czwr+fo5x//w00kpBzDuIq9qehDoZV/U71tpB1krIT978v6hQ+3Ssth
m/gs5/cizBUvItab/5VxcZH/rtvnBS2zU/btCHVoEGtfrDiL82kLhsanNLE0dJN+oe5p5afD7ANlaS8K3ntGB55si23DM6UAPysNrWMHWV18yFdkiF0Qr25+
Ob395pSG22z3BVBfQd4Z23f4EX030xlKtlKFWjN/17gl/KyAafWbD6DdpqeV31pvCoUQxD58gw0L+2Ff6/iMFimtin6QBRays2NMmGyJJF4sZPHlLXjC73WY
j5bEuCPaO5o39Y6NBoLEn8soy2CavJXwtLdEyVPgBkcKFY9S53VQeVMKf5U/Ck9UTzD272gA6NRWmpLMFmkVtH38HI4LQXl8zgOR8QbsuvG3XfmW7SXRFLvM
pJ9tEwCGP/nPqMG4OAd5OKECACLBbD+IGerpTIjzfVHgvmEJVp3OKHAuHZU95gLwff9adeheHjHw3Beeg6+HiTOBJs9F0R8wd3RR+voR0qshpKApifmpi8QN
1JB9r90UHvSHjr4xy0pp/7+TzR0NQJThnDq4iJwfOJh2aOuFbX9AGieKL+Vc09ZTJTwW8hozbNg/voz4/bl32I1AT6SGMcso0gx8tKg1k0puEYwn99Cx6rjx
9A7MEwkxNL6upb8N2YnscSZyb78LeEYBPNJ6Qyk8L+8HQRNhJHBn26yepQfz7+JZy26G2IekG/jXHxWGYromXU6J8Wl9rHy3OhfhZfk9rXLuav8528/IgihX
5OjOYm9fA==","associated_data":"transaction","nonce":"Ufp77nibJdao"}}
] sign=[UZVSp8XQk+RItHu8/b9EN+ddkrt102z5Eg7xm6Y57zyco3diK7K1K7T4eke2Fb/+QEzHDTry+yGMnMMCXZd1/sbPA01sTNQKg7Puqth7A36uvQtz
6hiWzcPaDn5N9xxScpEHpepi8qimxU/k6IMt8F5kHnJOcMz/VOcCc2uXnkiaPsmySqAY7bJ/S9p6tq5Ksyw/I+Zps7J0ldEAOLIKDA2vsYYqAwamAWR+r07U
grtdGHMmBlUQprWIHL2s/oyPwqz6EPP8IfM5/0lxz9D4oToM/jtLhjoLGLcn7UQ+R3Xju12IKRUJ5eUbT4fJ47ka7v5f1MIazJ/TUJN0PTMSTQ==]
验证下签名https://pay.weixin.qq.com/wiki/doc/api/wxa/wxa_api.php?chapter=20_1
编码导致的吧,请检查一下编码