typedef struct XStoreCollectionData {  
    time_t acquiredDate;  
    time_t startDate;  
    time_t endDate;  
    bool isTrial;  
    uint32_t trialTimeRemainingInSeconds;  
    uint32_t quantity;  
    const char* campaignId;  
    const char* developerOfferId;  
} XStoreCollectionData