tx 0xf1a920fa73be30d0b8eab0a074e4bd47cd300c31a6d3f17d85500d7fb41a8478Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3850800230,
    "order_id": 388375041,
    "new_price": 6503000000
  }
}