tx 0xd0e0b3554a4b0caf9bb6c6183bc3b522ba962f3f26d5d4d6c38f6a4afd1a7910Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6479411427,
    "order_id": 388157274,
    "new_price": 6418000000
  }
}