tx 0x7ca7a331af239357bbdc3092f4ae463b9a260ab6b2eb077dfd2d2f0a2d59e921Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6309285843,
    "order_id": 412398917,
    "new_price": 6514000000
  }
}