tx 0xffc2a50d3ceb7a747454a4fb9164f3758e8d6d49f47f6e5db1d81110a66bbf8eCopy

payload

{
  "ModifyOrder": {
    "new_size": 2533019,
    "order_id": 4145458,
    "new_price": null
  }
}