Status of the receipt verification. VALID: The purchase was valid. VALID_NOT_REDEEMED: The purchase was valid but seen before, but had not yet been redeemed. INVALID_ALREADY_REDEEMED: The purchase has already been redeemed. INVALID_VERIFICATION_FAILED: The receipt verification Service returned that the receipt data was not valid. INVALID_ANOTHER_PLAYER: The receipt has previously been used by a different player and validated. INVALID_CONFIGURATION: The service configuration is invalid, further information in the details section of the response. INVALID_PRODUCT_ID_MISMATCH: The purchase configuration store product identifier does not match the one in the receipt.

Details from the receipt validation service.