tx 0x0c6a44dd451ea52f456d0cc62d4434d8d439700af523bdd317930b2e7b406096Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3917817644,
    "order_id": 388375041,
    "new_price": 6399000000
  }
}