+Three properties:
+
+``iv``
+ Base 64 encoded initialization vector for encryption
+``key``
+ Base 64 encoded FIXME. Must be 128/192/256 bits long.
+``blob``
+ Base64 encoded encrypted data
+
+The decrypted ``blob`` contains again a JSON object with the following properties:
+
+- ``iv``
+- ``key``
+- ``blob``
+
+This blob is again a base64-encoded JSON objecct and contains the actual data:
+An array of receipts/purchases.
+
+``purchaseDate``
+ Required. Milliseconds.
+``generateDate``
+ Optional. Milliseconds.
+``identifier``
+ Product key. Required. Alternative name: ``sku``.
+``gamer``
+ User name. Required.
+``uuid``
+ User UUID. Required.
+``priceInCents``
+ Integer. Optional.
+``localPrice``
+ Float. Optional.
+``currency``
+ Optional. Default ``USD``.
+