tx 0x0a72f4ab1bab4a7f07314a7812e263694e2e2eb6a6d1e4f74c6c68c4ebf2f284Copy

payload

{
  "ModifyOrder": {
    "new_size": 8698749,
    "order_id": 12345629,
    "new_price": null
  }
}