tx 0x555018d4da4692f16d2c9294f10cf6d14e4cac118c15eebbe3b160367c877dbfCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 7869059,
    "order_id": 351964939,
    "new_price": 6958000000
  }
}