[{"time":1471577765,"user_id":"123","object_id":"83712","message":"Changed product from NVR8PRO4 to NVR8PRO4-2T."},{"time":1471577765,"user_id":"123","object_id":"83712","message":"Changed number from 21308 to 21308."},{"time":1471577765,"user_id":"123","object_id":"83712","message":"Changed notes from  to removed 1TB, installed 2TB."},{"time":1471577765,"user_id":"123","object_id":"83712","message":"Changed _attributes from {\"hdd01-installed-capacity\":\"1 TB\",\"hdd02-installed-capacity\":\"\",\"hdd03-installed-capacity\":\"\",\"hdd04-installed-capacity\":\"\",\"hdd05-installed-capacity\":\"\",\"software-version\":\"\"} to Array."}]