tx 0x4340bd23cb2db60d50015be0379903e53dccc02558ffc211d0fa78a7753f4e2dCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 2484145193,
    "order_id": 351963263,
    "new_price": 6211000000
  }
}