tx 0x6309262f0f66dea3f71e30c5959ffe60e1c8f81e532b0d12dc2f9c5958a9f6e8Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3886435941,
    "order_id": 388375041,
    "new_price": 6426000000
  }
}