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{ "time": "1970-01-01T00:00:02.000Z", "created_at": "2015-01-01T00:00:02.000Z", "rate": 5}
{ "time": "1970-01-01T00:00:03.000Z", "created_at": "2015-01-01T00:00:03.000Z", "rate": 2}
{ "time": "1970-01-01T00:00:04.000Z", "created_at": "2015-01-01T00:00:04.000Z", "rate": 7}
{ "time": "1970-01-01T00:00:05.000Z", "created_at": "2015-01-01T00:00:05.000Z", "rate": 1}
{ "time": "1970-01-01T00:00:06.000Z", "created_at": "2015-01-01T00:00:06.000Z", "rate": 3}