tx 0xc31871169c531c4b80e39a493289d721af6862d1249d1085ee9386df51b88de0Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3907430417,
    "order_id": 388375041,
    "new_price": 6419000000
  }
}