tx 0x3a56e6c9fc71e9b388d77f54b3e5d4a1e76a69370d2a458068f092b779a69a3eCopy

payload

{
  "ModifyOrder": {
    "new_size": 20989851,
    "order_id": 21201289,
    "new_price": null
  }
}