tx 0x3a9be5655e73fe6761860028dfd5a41b301882c39639131ab8e4c31ca8dbc390Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3922725798,
    "order_id": 388375041,
    "new_price": 6397000000
  }
}