tx 0x139ad000875a7d6147b78345dbb6b1353edf8b93a696a21a9cc4ddc2c6ed2caaCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 7869059,
    "order_id": 351963263,
    "new_price": 6958000000
  }
}