Optional auto_An identifier that App Store Connect generates and the App Store uses to uniquely identify the auto-renewable subscription that the user’s subscription renews. Treat this value as a 64-bit integer.
Optional auto_The product identifier of the auto-renewable subscription that the user’s subscription renews.
Optional auto_The current renewal status for an auto-renewable subscription product. Note that these values are different from those of the auto_renew_status in the receipt.
The time at which the user turned on or off the renewal status for an auto-renewable subscription, in a date-time format similar to the ISO 8601 standard.
2021-03-01 07:00:00 Etc/GMT
The time at which the user turned on or off the renewal status for an auto-renewable subscription, in UNIX epoch time format, in milliseconds. Use this time format to process dates.
1616411598724
The time at which the user turned on or off the renewal status for an auto-renewable subscription, in the Pacific time zone.
2021-01-01 00:00:00 America/Los_Angeles
A string that contains the app bundle ID.
A string that contains the app bundle version.
The environment for which App Store generated the receipt.
Optional expiration_The reason a subscription expired. This field is only present for an expired auto-renewable subscription.
Optional latest_The latest expired Base64-encoded app receipt.
As of March 10, 2021 this object is no longer provided in production and sandbox environments. Use latest_receipt in the unified_receipt object instead.
Optional latest_The latest decoded app receipts.
As of March 10, 2021 this object is no longer provided in production and sandbox environments. Use unified_receipt.Latest_receipt_info in the unified_receipt object instead.
Optional latest_The latest Base64-encoded app receipt.
As of March 10, 2021 this object is no longer provided in production and sandbox environments. Use the latest_receipt field found in the unified_receipt object instead.
Optional latest_The latest decoded app receipt.
As of March 10, 2021 this object is no longer provided in production and sandbox environments. Use unified_receipt.Latest_receipt_info in the unified_receipt object instead.
The subscription event that triggered the notification.
The same value as the shared secret you submit in the password field of the requestBody when validating receipts.
An object that contains information about the most-recent, in-app purchase transactions for the app.
The JSON data sent in the server notification from the App Store.
Link
https://developer.apple.com/documentation/appstoreservernotifications/responsebody