tx 0x8f4084898cbc8399f262b034f7bfe29a14d306d3185fd1cf52f4200ebb8b9628Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6417985869,
    "order_id": 388157274,
    "new_price": 6486000000
  }
}