tx 0x7e9fd9dac987b6b4b3916e73d3cc6f4295174223eeaebcb29f7d6be873ad6a4eCopy

payload

{
  "ModifyOrder": {
    "new_size": 11964964,
    "order_id": 15961720,
    "new_price": null
  }
}