2021-12-19 14:01:03[1639922463.6739] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 25.3414
    [size] => -2454
    [tif] => gtc
)
 Array
(
    [label] => INSUFFICIENT_AVAILABLE
    [detail] => margin 7874.13955455 while available 0.798488394743
)