2021-12-18 16:01:03[1639843263.2078] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 25.267
    [size] => -2454
    [tif] => gtc
)
 Array
(
    [label] => INSUFFICIENT_AVAILABLE
    [detail] => margin 7849.4730661875 while available 0.798488394743
)