tx 0x30d1fcb643a5f9c8fdb39242679155b4d70191f09f94c9cb9eb941d09f6d3f0fCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 7911392,
    "order_id": 351963263,
    "new_price": 6921000000
  }
}