build web push notification asp.net web form

i need to build a web push notification , that i can send push notification to my client -sql server db has 2 tables , one for user information such as id , token,..etc ,, tow to recorde messages and has, msg,url,title,body,icon,image - api that i can use https request that has (subscribe, unsubscribe, push,register,,,) -i can send for specific user or all - in web page i can check if already register , has permission - work in modern browsers (mobile, desktop) also don't forget the VAPID i need project in asp.net not in mvc this is sample i found and i run it , it is perfect but it is in mvc and i want it in asp web form [login to view URL] [login to view URL] this one have pages to see registerd devices [login to view URL] [login to view URL] *image in attachment shows how the project will work * kindly provide a real bid and time(bid you provide it will consider) less bidding will more consider