2021-12-29 2:01:02[1640743262.1626] - new sell order: Array
(
    [contract] => DOT_USDT
    [price] => 28.1309
    [size] => 945
    [tif] => gtc
)
 Array
(
    [label] => INSUFFICIENT_AVAILABLE
    [detail] => margin 3362.83811325 while available 0.287950097915
)