"accepted_time":"2014-01-07 18:14:54",
"recipient_number":"01000000000",
"group_id":"G52CBC596955F0",
"message_id":"M52CBC59695B31",
"result_message":"\uc804\uc1a1\uacbd\ub85c \uc5c6\uc74c",
"sent_time":"201401071814",
"accepted_time":"2014-01-07 18:14:41",
"recipient_number":"01000000000",
"group_id":"G52CBC5897645A",
"message_id":"M52CBC58976A64",
"result_message":"\uc804\uc1a1\uacbd\ub85c \uc5c6\uc74c",
"sent_time":"201401071814",
"scheduled_time":"20160401000000"
"accepted_time":"2014-01-07 18:11:23",
"recipient_number":"01000000000",
"group_id":"G52CBC4C35B3A8",
"message_id":"M52CBC4C35BA70",
"result_message":"\uc804\uc1a1\uacbd\ub85c \uc5c6\uc74c",
"sent_time":"201401071811",
"accepted_time":"2014-01-06 12:42:32",
"recipient_number":"01012345678",
"group_id":"G52CA262EC447D",
"message_id":"M52CA262EC49D8",
"result_message":"\uc815\uc0c1",
"sent_time":"201401061257",
"text":"\ud14c\uc2a4\ud305hi there~",