tx 0xb3a1c012117f8d4a14c24c917a70082571452509806bda7070cc1068bc58b347Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3887551450,
    "order_id": 388375041,
    "new_price": 6420000000
  }
}