tx 0x1e8246a1fa2e93dc2dd7916450fa975ba7fc19a7a8e7021f1a9e0d1e8f9be810Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6215803333,
    "order_id": 376304230,
    "new_price": 6743000000
  }
}