tx 0x4bb5c6d5fc488d868bbac4e92100737cf23d16bc90d9be794baa148375e23e72Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6375963241,
    "order_id": 377687843,
    "new_price": 6564000000
  }
}