2021-11-16 19:01:04[1637089264.0724] - new buy order: Array ( [contract] => DOT_USDT [price] => 41.4885 [size] => 6 [tif] => gtc ) Array ( [id] => 93937250388 [contract] => DOT_USDT [mkfr] => 0 [tkfr] => 0.0005 [tif] => gtc [is_reduce_only] => [create_time] => 1637089263.948 [price] => 41.4885 [size] => 6 [refr] => 0 [left] => 6 [text] => api [fill_price] => 0 [user] => 621225 [status] => open [is_liq] => [refu] => 0 [is_close] => [iceberg] => 0 )