tx 0x8889d0a40ecf283341734deca192dfd8160531c74b80c4e7d93d8b57c2bcc38fCopy

reduce-only order has no opposing position

{
  "ModifyOrder": {
    "new_size": 2478137103,
    "order_id": 351963263,
    "new_price": 6221000000
  }
}