sample 1 min ohlc.json

{ "_id" : 1, "__v" : 0, "data" : [ [ 1518449823, 569998, 569998, 569998, 569998, 36 ], [ 1518449853, 569998, 569998, 569998, 569998, 36 ], [ 1518449933, 569998, 569998, 569998, 569998, 36 ], [ 1518449973, 569998, 569998, 569998, 569998, 36 ], [ 1518450063, 569998, 569998, 569998, 569998, 36 ], [ 1518450093, 569998, 569998, 569998, 569998, 36 ], [ 1518450183, 569998, 569998, 569998, 569998, 36 ], [ 1518450213, 569998, 569998, 569998, 569998, 36 ], [ 1518450303, 569998, 569998, 563050, 563050, 36 ], [ 1518450333, 563050, 563050, 563050, 563050, 36 ], [ 1518450423, 563050, 563050, 563050, 563050, 36 ], [ 1518450453, 563050, 563050, 563050, 563050, 36 ], [ 1518450543, 563050, 563050, 563050, 563050, 36 ], [ 1518450573, 563050, 563050, 563050, 563050, 36 ], [ 1518450663, 563050, 568999, 563050, 568999, 36 ], [ 1518450693, 568999, 568999, 568999, 568999, 36 ], [ 1518450783, 568999, 568999, 568999, 568999, 36 ], [ 1518450813, 568999, 568999, 568999, 568999, 36 ], [ 1518450903, 568999, 568999, 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time converted to seconds instead of milliseconds so mongodb aggregator $range can act on it..

Updated with time gap.