tx 0xbd6b02a59f3d6087cf92ba2b0ae95c3a9a7491fa9841dbfd6730c51c66a7bb22Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6544095765,
    "order_id": 388157274,
    "new_price": 6321000000
  }
}