tx 0x2b15e294febe6e7ede2927a6e3a6ed9f1ca13e4ffaf1a5f3ab78eabdfa354d7bCopy

payload

{
  "ModifyOrder": {
    "new_size": null,
    "order_id": 473524990,
    "new_price": 494000000
  }
}