tx 0x968b4da8b5cb6e7e26404bb55a2ba5ebb975363ce6cfc5aba485980bda126268Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3859290067,
    "order_id": 388375041,
    "new_price": 6426000000
  }
}