tx 0x51978a39b975a3f97ecaf38250eaef71ff32d557d63c84355d27dc6c53ae45e7Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 489020897,
    "order_id": 375874434,
    "new_price": 68680000000
  }
}