tx 0x9491f55f35f4c40b51384f58e5e950c5148a0c8406bd5cfd591a682d31edf524Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 2445911953,
    "order_id": 343993451,
    "new_price": 6254000000
  }
}