Auth for Webhook Sentinel

Hi,

Was hoping to find out if a feature has been suggested and if not, what the best approach would be to do so?

In short, in order to have off-chain systems handle potentially sensitive actions based on smart contract events, it would be ideal if an authentication token of some sort can be sent in the webhook request (header or body) in order for the receiving webhook to verify that the request originated from OZ Sentinel and not a malicious actor.

Thanks in advance,
Yuri