tx 0x51677cdfb0b515a53b8e3c4e9f82bd254427effcf5cfacc8bc82de570abbe338Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3875571544,
    "order_id": 388375041,
    "new_price": 6440000000
  }
}