tx 0x847281ed8a33ac32527dcce897e80986a669f3464f2a29e9ce4c8cc823621a4dCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3869515742,
    "order_id": 388375041,
    "new_price": 6419000000
  }
}