tx 0x06a672f75da6b42ab69ce8a219d81e609e51d443095a86194d3c8874a38454e7Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6531738838,
    "order_id": 388157274,
    "new_price": 6397000000
  }
}