tx 0x73d0c20d54bf49649f9190c019455b3f7049e34695f5a7d9eb202d7d8b48dfa9Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 3870934413,
    "order_id": 388375041,
    "new_price": 6439000000
  }
}