tx 0x218205e48d079b15a3b0da6a923dd0fe9633c08ede815cd5589551e457b34fd6Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3895444339,
    "order_id": 388375041,
    "new_price": 6400000000
  }
}