tx 0x5362d6f93cfe7573a506ef24e3575a907c95216c3dd905fb6bb42d8f2b52305fCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3915945683,
    "order_id": 388375041,
    "new_price": 6345000000
  }
}