tx 0x5b4f3d20c384c079eb35a61597348daf7ceb2ef853d4dcad57080ab9bdfa79bfCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3850800230,
    "order_id": 388375041,
    "new_price": 6502000000
  }
}