tx 0x5b870eaf5f5e3210aa5d2252454d03c80fd4e521589d1877751deaec65cabd10Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3871535957,
    "order_id": 388375041,
    "new_price": 6435000000
  }
}