tx 0x4de5ce4a2bfedf290a3e3aa5ae1e31e3929505c9f3729bfcb43e6721bf6a8a0bCopy

payload

{
  "ModifyOrder": {
    "new_size": null,
    "order_id": 12131374,
    "new_price": 539000000
  }
}