2021-12-11 22:01:03[1639260063.4544] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 27.5503
    [size] => -2451
    [tif] => gtc
)
 Array
(
    [label] => INSUFFICIENT_AVAILABLE
    [detail] => margin 8548.342382821875 while available 0.798488394743
)