2021-12-17 18:01:03[1639764063.7502] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 24.8419
    [size] => -2455
    [tif] => gtc
)
 Array
(
    [label] => INSUFFICIENT_AVAILABLE
    [detail] => margin 7724.0677783125 while available 0.798488394743
)