tx 0x376aa3acdd75bab176b43961676dbe19b6b18a676332fe10b5b1b7a7f474dea8Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6469333015,
    "order_id": 388157274,
    "new_price": 6426000000
  }
}