Ошибка Exception in thread "main" java.lang.NullPointerException

Не могу загнать json в JSONObject использую библиотеку json.simple.
Покажите как можно загнать это в jsonarray jsonobject и как обращаться к элементам которые записаны.
Буду очень благодарен)
{"ok":true,"result":[{"update_id":765658929,
"message":{"message_id":6,"from":{"id":1 722141571,"first_name":"Vadim","last_nam e":"Yakovets"},"chat":{"id":1722141571," first_name":"Vadim","last_name":"Yakovet s","type":"private"},"date":1464617111," text":"Test 3"}},{"update_id":765658930,
"message":{"message_id":8,"from":{"id":1 722141571,"first_name":"Vadim","last_nam e":"Yakovets"},"chat":{"id":1722141571," first_name":"Vadim","last_name":"Yakovet s","type":"private"},"date":1464617498," text":"okey"}},{"update_id":765658931,
"message":{"message_id":9,"from":{"id":1 722141571,"first_name":"Vadim","last_nam e":"Yakovets"},"chat":{"id":1722141571," first_name":"Vadim","last_name":"Yakovet s","type":"private"},"date":1464617515," text":"test4"}},{"update_id":765658932,
"message":{"message_id":15,"from":{"id": 1722141571,"first_name":"Vladislav","las t_name":"Schur","username":"LithiumBatte ry"},"chat":{"id":1722141571,"first_name ":"Vladislav","last_name":"Schur","usern ame":"LithiumBattery","type":"private"}, "date":1464630491,"text":"\/start","entities":[{"type":"bot_command","offset":0,"length ":6}]}},{"update_id":765658933,
"message":{"message_id":16,"from":{"id": 1722141571,"first_name":"Vladislav","las t_name":"Schur","username":"LithiumBatte ry"},"chat":{"id":1722141571,"first_name ":"Vladislav","last_name":"Schur","usern ame":"LithiumBattery","type":"private"}, "date":1464630496,"text":"Hi"}},{"update _id":765658934,
"message":{"message_id":17,"from":{"id": 1722141571,"first_name":"Vladislav","las t_name":"Schur","username":"LithiumBatte ry"},"chat":{"id":1722141571,"first_name ":"Vladislav","last_name":"Schur","usern ame":"LithiumBattery","type":"private"}, "date":1464630542,"text":"\u041f\u0440\u 0438\u0432\u0435\u0442"}},{"update_id":7 65658935,
"message":{"message_id":18,"from":{"id": 1722141571,"first_name":"Vladislav","las t_name":"Schur","username":"LithiumBatte ry"},"chat":{"id":1722141571,"first_name ":"Vladislav","last_name":"Schur","usern ame":"LithiumBattery","type":"private"}, "date":1464630560,"text":"Hello"}}]}

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