tx 0x7996fd7d742f9167f3e982e6dd9ffac6b0c9a91fe315e232a9c3370e10ae388aCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3864929241,
    "order_id": 388375041,
    "new_price": 6446000000
  }
}