ブラウザ

UA
スクリーンサイズ

Local Storage

Last Notification Time

Service Worker update worker info update worker unregister worker
Push Service update push service info subscribe unsubscribe

permission
subscription
	endpoint
	expirationTime
	options.userVisibleOnly
	options.applicationServerKey
	key.p256dh
	key.auth
	json

Server Status update server status register unregister

server key
subscription key
counts
last success
subscription
	endpoint
	expirationTime
	key.p256dh
	key.auth

Publish
title:
body:
option:
publish