2021-12-10 22:01:02[1639173662.4292] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 27.1656
    [size] => -2452
    [tif] => gtc
)
 Array
(
    [label] => INSUFFICIENT_AVAILABLE
    [detail] => margin 8432.4161691 while available 0.798488394743
)