FlatPushMessageInformation {

    // like currently:

    @NotNull

    private String pushApplicationId;

    private String rawJsonMessage;

    private String ipAddress;

    private String clientIdentifier;

    private Date submitDate = new Date();

    private Long appOpenCounter = 0L;

    private Date firstOpenDate;

    private Date lastOpenDate;

    private DeliveryState  statue = PROCESSED; // is only changed to FAILED after the first failure

}