tx 0x0639a25eca82c84014d525f58d39bde3e0e0762d8839999edfa58a1062e74b04Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3856739157,
    "order_id": 388375041,
    "new_price": 6491000000
  }
}