2022-01-18 20:01:03[1642536063.2588] - new buy order: Array
(
    [contract] => DOT_USDT
    [price] => 24.8889
    [size] => 1361
    [tif] => gtc
)
 Array
(
    [label] => INSUFFICIENT_AVAILABLE
    [detail] => margin 4285.03480185 while available 0.182043180714
)