tx 0x6e8cb212cc8a7dcfd93a7c91b8d8256cb0b7a147ee2c418346534522c83e8839Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6531738838,
    "order_id": 388157274,
    "new_price": 6401000000
  }
}