tx 0xe8a9b87296415e6ee63555315c57faa79499c95e1a01850835e74c6f4e251b0dCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 7912644,
    "order_id": 351963263,
    "new_price": 6920000000
  }
}