tx 0x7013899500e4cc43cc20b02409e9be0201a62815e9c44b06a844baea4439ce6cCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 7869059,
    "order_id": 351964939,
    "new_price": 6958000000
  }
}