Struct for representing a result row as returned by /api/v3/kline

defstruct [
  :open_time,
  :open,
  :high,
  :low,
  :close,
  :volume,
  :close_time,
  :quote_asset_volume,
  :number_of_trades,
  :taker_buy_base_asset_volume,
  :taker_buy_quote_asset_volume,
  :ignore
]