tx 0xd78e7cecf7c82d2cb2f834fe67f93847be8e9196a3f136970c8591b036322b7fCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 7860399,
    "order_id": 351964939,
    "new_price": 6966000000
  }
}