tx 0x77ef6d0c4ff2a30a909fc47bcf1cc3d74c26de13f65b6ca3682c8d8e2e8b4d3bCopy

payload

{
  "ModifyOrder": {
    "new_size": 539125,
    "order_id": 10290452,
    "new_price": null
  }
}