2021-10-07 16:01:03[1633622463.5298] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 34.9128
    [size] => -84
    [tif] => gtc
)
 Array
(
    [label] => INSUFFICIENT_AVAILABLE
    [detail] => margin 295.69375248 while available 205.232578075095
)