tx 0x4dfc22f11e057e662b9496ea3deedae6a86d5de97c8b853363144aa5d5bdf2dbCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3868309910,
    "order_id": 388375041,
    "new_price": 6406000000
  }
}