tx 0x8dc1cb8005f210cacb48d2de1d10bdc3a7617d8f07455e1369a0fb36276a3d67Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 2321478542,
    "order_id": 388381285,
    "new_price": 6450000000
  }
}