curl --location --request POST 'http://dev-cn.your-api-server.com/v3/alipay/user/agreement/unsign' \
--header 'Content-Type: application/json' \
--data-raw '{
"agreement_no": "20170322450983769228",
"alipay_logon_id": "abx@alitest.com",
"alipay_open_id": "074a1CcTG1LelxKe4xQC0zgNdId0nxi95b5lsNpazWYoCo5",
"alipay_user_id": "2088101143488930",
"extend_params": "{\"UNSIGN_ERROR_CODE\": \"USER_OWE_MONEY\",\"UNSIGN_ERROR_INFO\":\"10.00\"}",
"external_agreement_no": "test",
"notify_url": "string",
"operate_type": "confirm",
"personal_product_code": "GENERAL_WITHHOLDING_P",
"sign_scene": "INDUSTRY|MEDICA",
"third_party_type": "PARTNER"
}'