tx 0x4e99a8c91d2240be5ad24ffbe51e3f59eb964b85e9e4d47b530c7d8c09b91b5fCopy

payload

{
  "ModifyOrder": {
    "new_size": 2186209,
    "order_id": 21289768,
    "new_price": null
  }
}