{
"merchantNo": "66629077011GZTQ",
"traceNo": "QD3UD0MUOOGC2179TR"
}curl --location '/agent/openapi/mer/v1/redoSign' \
--header 'Sign-Algorithm: RSA' \
--header 'Content-Type: application/json' \
--data '{
"merchantNo": "66629077011GZTQ",
"traceNo": "QD3UD0MUOOGC2179TR"
}'{
"signStatus": "1",
"signUrl": "https://example.com/api/notify",
"contractNo": "QT202509170222226"
}