Angry Birds 2 Level Release Dates

{

        "LatestVersion": "2.6.0",

        "ScheduledReleaseDates":

                [

                        {

                                "Date": "2009-01-01 13:00",

                                "NewTotalNumExistingLevels": 520

                        },

                        {

                                "Date": "2016-04-07 13:00",

                                "NewTotalNumExistingLevels": 540

                        },

                        {

                                "Date": "2016-04-21 13:00",

                                "NewTotalNumExistingLevels": 560

                        },

                        {

                                "Date": "2016-05-05 13:00",

                                "NewTotalNumExistingLevels": 580

                        }

                ]

}