Hi zcodev,
I just used the following to validate your appStoreReceipt in a terminal window and it worked for me
curl -d '{ "receipt-data": "xxxx"}' https://sandbox.itunes.apple.com/verifyReceipt
Where xxxx is base64 encoded appStoreReceipt contents. It appears that the issue was fixed in the sandbox. Let me know if you find differently.
{
"receipt":{"receipt_type":"ProductionSandbox", "adam_id":0, "app_item_id":0, "bundle_id":"com.mappedmarketplace.xxxx", "application_version":"7729", "download_id":0, "version_external_identifier":0, "receipt_creation_date":"2019-11-27 08:01:18 Etc/GMT", "receipt_creation_date_ms":"1574841678000", "receipt_creation_date_pst":"2019-11-27 00:01:18 America/Los_Angeles", "request_date":"2019-12-04 20:02:20 Etc/GMT", "request_date_ms":"1575489740454", "request_date_pst":"2019-12-04 12:02:20 America/Los_Angeles", "original_purchase_date":"2013-08-01 07:00:00 Etc/GMT", "original_purchase_date_ms":"1375340400000", "original_purchase_date_pst":"2013-08-01 00:00:00 America/Los_Angeles", "original_application_version":"1.0",
"in_app":[
{"quantity":"1", "product_id":"com.horsemarketplace.basic.***", "transaction_id":"1000000555871494", "original_transaction_id":"1000000555871494", "purchase_date":"2019-08-08 15:42:46 Etc/GMT", "purchase_date_ms":"1565278966000", "purchase_date_pst":"2019-08-08 08:42:46 America/Los_Angeles", "original_purchase_date":"2019-08-08 15:42:46 Etc/GMT", "original_purchase_date_ms":"1565278966000", "original_purchase_date_pst":"2019-08-08 08:42:46 America/Los_Angeles", "is_trial_period":"false"},
{"quantity":"1", "product_id":"com.horsemarketplace.basic.***", "transaction_id":"1000000597978430", "original_transaction_id":"1000000597978430", "purchase_date":"2019-11-27 08:01:18 Etc/GMT", "purchase_date_ms":"1574841678000", "purchase_date_pst":"2019-11-27 00:01:18 America/Los_Angeles", "original_purchase_date":"2019-11-27 08:01:18 Etc/GMT", "original_purchase_date_ms":"1574841678000", "original_purchase_date_pst":"2019-11-27 00:01:18 America/Los_Angeles", "is_trial_period":"false"}]}, "status":0, "environment":"Sandbox"}
rich kubota - rkubota@apple.com
developer technical support CoreOS/Hardware/MFI