tx 0xd111b0bf6d7995ffb2b3fa730c9cbd0ac5e58b9cef4809cf4e2fa5ea7296e4e9Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3870934413,
    "order_id": 388375041,
    "new_price": 6438000000
  }
}