tx 0x882fcfad0a7beab1648844d235547e3de2a3e74eb2d779298ec1c4e5bcb4d995Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3843572563,
    "order_id": 388375041,
    "new_price": 6508000000
  }
}