tx 0x5f52ece3c7e140cd11a7366a1167e592809aad0bc3ca59ba2e4f662090901d4aCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 7862872,
    "order_id": 351964939,
    "new_price": 6964000000
  }
}