This is the JSONObject
{"2":{"picture":"0","id":52,"bought_date":"2014-08-01","mileage":0,"bike_id":21861,"hours":0,"name":"YZ450F","pictures":"","year":2013,"user_id":34,"cost":8000},"1":{"picture":"140","id":51,"bought_date":"2014-07-28","mileage":0,"bike_id":21130,"hours":0,"name":"Yamaha WR450F 2013","pictures":"","year":2013,"user_id":34,"cost":0},"0":{"picture":"0","id":53,"bought_date":"2014-08-01","mileage":0,"bike_id":18310,"hours":0,"name":"MX 300","pictures":"","year":2011,"user_id":34,"cost":0}}

I can iterate until here:
 {"picture":"140","id":51,"bought_date":"2014-07-28","mileage":0,"bike_id":21130,"hours":0,"name":"Yamaha WR450F 2013","pictures":"","year":2013,"user_id":34,"cost":0}
...