tx 0x91fa9af9f0698a47d69e215ba9405fa1d02a449135eb59e2e4968c94424c5c25Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 2451352660,
    "order_id": 339459467,
    "new_price": 6300000000
  }
}