tx 0x4ba3d7efd7690cb3143c67511ec0077f5421352d3556b3f00156bbf1899ab4afCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 7867821,
    "order_id": 351964939,
    "new_price": 6959000000
  }
}