tx 0x3a309c4c8717b5c7afc7751b8c671cddfcc8636728e95f7efeb5e6fa8b0e2f2aCopy

payload

{
  "ModifyOrder": {
    "new_size": 4205875,
    "order_id": 16659621,
    "new_price": null
  }
}