tx 0x438b28e89d427f2341d9be5199186be5fe908f9636d43166cf3b6e503aaedb8dCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 7900142,
    "order_id": 351963263,
    "new_price": 6931000000
  }
}