curl --location '/***' \
--header 'Content-Type: application/json' \
--data '{
"param": "{\"eventName\":\"kyc.onboard.rejected\",\"merchantNo\":\"E0703QdJ6J9d\",\"merchantName\":\"cxmtest6\",\"countryCode\":\"ID\",\"kycStatus\":\"REJECTED\",\"remark\":\"Business license is blurry, please re-upload\",\"kycPageUrl\":\"https://test.paycools.com?token=xxx\",\"failedMessage\":\"Business license is blurry, please re-upload\"}",
"sign": "sign by param"
}'{}