tx 0x3479c5ecfd26bfceaed53e5cbf3dc6d1db556eb91408bc7383a10f4f71311e51Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6442804067,
    "order_id": 388157274,
    "new_price": 6470000000
  }
}