tx 0x0cdbf69a6b482bf7563798d6ca3eb32dfcb0aa5d86be2f56c0c57c0c9a9bc8dbCopy

payload

{
  "ModifyOrder": {
    "new_size": 64470949,
    "order_id": 474399828,
    "new_price": null
  }
}