tx 0x2f73530855fa4f0f2107adb98b87dcdfcdd68d643cd49e48d5d1c792e83e5f1eCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3864929241,
    "order_id": 388375041,
    "new_price": 6447000000
  }
}