uses CFBundleVersion for bundleVersion

Original Application Version
The version of the app that was originally purchased.

**ASN.1 Field Type** 19
**ASN.1 Field Value** UTF8STRING
**JSON Field Name** original_application_version
**JSON Field Value** string

This corresponds to the value of CFBundleVersion (in iOS) or CFBundleShortVersionString (in OS X) in the Info.plist file when the purchase was originally made.

In the sandbox environment, the value of this field is always “1.0”.

[Source](https://developer.apple.com/library/ios/releasenotes/General/ValidateAppStoreReceipt/Chapters/ReceiptFields.html#//apple_ref/doc/uid/TP40010573-CH106-SW1)