tx 0x418b25aa1d5afe3de04cfb69ea6f9ebee2e5f3b7a77043d767b6fa1a909e028eCopy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 490421520,
    "order_id": 371252409,
    "new_price": 21507000000
  }
}