tx 0x1f5dbf3ffd2aa1485bc3f612b6881e3e6dc0d77322b3822db584648c2aeeb61eCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 7850526,
    "order_id": 351964939,
    "new_price": 6975000000
  }
}