[VAPID r3](https://tools.ietf.org/rfcdiff?url2=draft-ietf-webpush-vapid-03.txt) introduces a content type of "application/webpush-options+json". May add an option to use this, but depends on how strict push services are about content types.
VAPID r3 introduces a content type of "application/webpush-options+json".
May add an option to use this, but depends on how strict push services are about content types.