tx 0x67ab4e9e4e3b7fd9d0334ef84c1f2bd45d6b47fdfa02e662c4acc309a5d1144cCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3887551450,
    "order_id": 388375041,
    "new_price": 6417000000
  }
}