curl --location --request POST 'https://api-m.sandbox.paypal.com/v1/notifications/verify-webhook-signature' \
--header 'PayPal-Request-Id: ' \
--header 'Content-Type: application/json' \
--header 'Authorization: Basic Og==' \
--data-raw '{
"webhook_id": "{{webhook_id}}",
"transmission_id": "{{event_transmission_id}}",
"transmission_time": "{{event_transmission_time}}",
"cert_url": "{{event_cert_url}}",
"auth_algo": "{{event_auth_algo}}",
"transmission_sig": "{{event_transmission_sig}}",
"webhook_event": {{event_webhook_payload}}
}'