tx 0x503c7f72148ff2d8a85e81017ed0f27201f5bf8397aa32c5377d1c6eca468459Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3929627892,
    "order_id": 388375041,
    "new_price": 6323000000
  }
}