2021-12-26 18:01:02[1640541662.2747] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 30.872
    [size] => 946
    [tif] => gtc
)
 Array
(
    [label] => INSUFFICIENT_AVAILABLE
    [detail] => margin 3694.421368 while available 0.287950097915
)