{
"mch_id": "201304121000001004",
"user_id": "pWDslsPANCa4rimg0byYcXR4F8avAF08",
"txn_seqno": "string",
"agree_no": "string",
"authorize_operate": "OPEN"
}curl --location 'https://openapi.lianlianpay.com/mch/mch/v1/authorize/freeverify' \
--header 'Signature-Data;' \
--header 'Signature-Type: RSA' \
--header 'mch_id: 2020042200284052' \
--header 'sp_no;' \
--header 'timestamp: 20221109111509' \
--header 'Content-Type: application/json;charset=utf-8' \
--data '{
"mch_id": "201304121000001004",
"user_id": "pWDslsPANCa4rimg0byYcXR4F8avAF08",
"txn_seqno": "string",
"agree_no": "string",
"authorize_operate": "OPEN"
}'{
"ret_code": "stri",
"ret_msg": "string",
"mch_id": "string",
"txn_seqno": "string"
}