Hello I'm trying to implement the storekit api https://api.storekit.itunes.apple.com/inApps/v1/subscriptions/{originalTransactionId} there for the JWT token is there any way we can retrieve the JWS directly in the decoded format without having to use an external library to get the token or decode it back?

I have been testing server to server notifications but I am not sure of getting the following notifications on sandbox. I have enabled the grace period on my app store connect account but how to fall the billing to be failed to renew and test grace period concept. Can any one help me on the actions to be performed for getting following notifications on Sandbox? 1, DID_CHANGE_RENEWAL_STATUS -> AUTO_RENEW_ENABLED, AUTO_RENEW_DISABLED 2, EXPIRED -> BILLING_RETRY 3, GRACE_PERIOD_EXPIRED 4, DID_FAIL_TO_RENEW -> GRACE_PERIOD 5, DID_RECOVER 6, REVOKE

For batch upload of In App Purchase products, we are using iTransporter now but is there any API mechanism available to upload multiple in app purchase products to the App Store?