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Beginning iOS Game Center and Game Kit: For iPhone, iPad, and iPod touch by Kyle Richter

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Receipts

When you successfully complete a transaction, you are provided with a receipt as part of the competed transaction object. The following is a sample receipt from one of the purchases in UFOs demo project.

{         "signature" = "AnQ+nzB60K5Lc6pI6zh8bptEO+GSGUJ+xT5DSef2p66H8gz/P/D13mBqf96ciJoLesI64fohhZTNb9NrCEkZMVy eqkJed2t38509XpckLWeLJCDYUJqUS1t+fsoy7fwSU0v8TUBzF3Eua1h83GszxlPyylo3mRDssrG+QcgrHwFOAAA DVzCCA1MwggI7oAMCAQICCGUUkU3ZWAS1MA0GCSqGSIb3DQEBBQUAMH8xCzAJBgNVBAYTAlVTMRMwEQYDVQQKDAp BcHBsZSBJbmMuMSYwJAYDVQQLDB1BcHBsZSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTEzMDEGA1UEAwwqQXBwbGU gaVR1bmVzIFN0b3JlIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA5MDYxNTIyMDU1NloXDTE0MDYxNDIyMDU 1NlowZDEjMCEGA1UEAwwaUHVyY2hhc2VSZWNlaXB0Q2VydGlmaWNhdGUxGzAZBgNVBAsMEkFwcGxlIGlUdW5lcyB ...

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