tx 0x2f8c661907503f717dbafee39190f9881d99d30a8aa7e384706fada5e74d5862Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3862892952,
    "order_id": 388375041,
    "new_price": 6419000000
  }
}