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["2015-06-27T22:45:00.000000000",null,279,1234.0]
["2015-06-27T23:00:00.000000000",null,277,0.4745889]
["2015-06-27T23:30:00.000000000",null,279,1234.0]
["2015-06-27T23:45:00.000000000",null,277,0.4837389]