tx 0x5864a55b861c5be9ee6d97f3cc7e7e77c7b5ed9b2e5a09a61390126ec6d5ae0eCopy

payload

{
  "ModifyOrder": {
    "new_size": 6315004818,
    "order_id": 16319923,
    "new_price": null
  }
}