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{"code":"SIGN_ERROR","detail":{"detail":{"issue":"sign not match"},"field":"signature","location":"authorization","sign_information":{"method":"POST","sign_message_length":172,"truncated_sign_message":"POST\n/v3/merchant/media/upload\n1639326935\nOLrlsOZxTk9Qdg3jJMxB33jz6mhypDM5\n{\"filena\n","url":"/v3/merchant/media/upload"}},"message":"错误的签名，验签失败"}