2021-12-15 22:01:03[1639605663.7474] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 27.0072
    [size] => -2452
    [tif] => gtc
)
 Array
(
    [label] => INSUFFICIENT_AVAILABLE
    [detail] => margin 8383.37172485 while available 0.798488394743
)