tx 0xb357399248bf4b8460a0dbb703975d6450a015790023def3d4bedfcded1a77b7Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 1597351955,
    "order_id": 388375041,
    "new_price": 6387000000
  }
}