tx 0x731d4d0cf37edef2c3062d142c375aae37e9fb875b823cce4fd25b8b37f66ca6Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3928385322,
    "order_id": 388375041,
    "new_price": 6318000000
  }
}