tx 0xa3d0aea7a24f4aa2721898bc415eb9f2e1c030e34cb17cb69716328bc3cc8a5bCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 7870297,
    "order_id": 351963263,
    "new_price": 6957000000
  }
}