tx 0x5ddfec462bfc04623b8764d50aff3a4a4a2b3c3453b5f05d1b3e1bc78bfcecbfCopy

payload

{
  "ModifyOrder": {
    "new_size": 350834,
    "order_id": 19467511,
    "new_price": null
  }
}