tx 0x6fbf74d9c69bdd18191e0eaa0bce0412d4e4848931f2113f066407eaa8cf0e1bCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 4011172735,
    "order_id": 345818641,
    "new_price": 6370000000
  }
}