Handle Airwallex webhook events
POST
/webhooks/airwallex/{siteId}
siteIdstring
x-timestampstring
x-signaturestring
201
401Unauthorized
curl --request POST \
--url /webhooks/airwallex/{siteId} \
--header 'accept: application/json' \
--header 'x-timestamp: string' \
--header 'x-signature: string'