tx 0x54b531f4a6bc1c812d9c0276b9dcd03235d64d9e8e4651e646b94ec2b1c91086Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6278343192,
    "order_id": 415435222,
    "new_price": 6538000000
  }
}