and in order to make sure that your file actually stored by the CDN it should show up here https://app-site-association.cdn-apple.com/a/v1/bankhapoalim.co.il
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This error 403 forbidden is actually what returned to the CDN from your server when trying to access the file, in our case we have this issue because our firewall blocked the apple bot that fetches this file and that has the user agent of AASA-Bot/1.0.0, so make sure that you allow this bot to access the file in your servers.