2021-12-31 19:01:03[1640977263.4306] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 26.7529
    [size] => 991
    [tif] => gtc
)
 Array
(
    [label] => INSUFFICIENT_AVAILABLE
    [detail] => margin 3353.78367335 while available 1.103654977915
)