tx 0x9b77e5f4758879bd940e280226d12a88a7cc440e34fd62e825d7136d5409d974Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3856144440,
    "order_id": 388375041,
    "new_price": 6495000000
  }
}