tx 0x147c9e0b81561814a52688aba0cd1278e577b74c86915665b211c4245ad6c4cfCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6549379819,
    "order_id": 388157274,
    "new_price": 6321000000
  }
}