Returns the public key of the most recently created VAPID key pair. This key is used by clients to subscribe to web push notifications.
Successfully retrieved the active VAPID public key.
The base64url-encoded VAPID public key.
"BEl62iUYgUivxIkv69yViEuiBIa-Ib27SDbQjfTbSAiJ-r7lJCndYzohTxb2L8yfWJrykPocwn0hzNnXxHGP0Qo"