tx 0xc3acd0e326857673f2bf82ae56210d98284b23ac9dab09f9b86401ebd1adc1d6Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3886945629,
    "order_id": 388375041,
    "new_price": 6420000000
  }
}