tx 0x400756c251de848ab9c8b6db667e7705ab2f1ab4a73b76790a01950595c9db2fCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 7901391,
    "order_id": 351964939,
    "new_price": 6930000000
  }
}