tx 0x863b0d3d35e0c5d88e6d5be0a9c39fd6b9d802b183c4088ec82e041f9d59f79eCopy

payload

{
  "ModifyOrder": {
    "new_size": 125529877,
    "order_id": 356972,
    "new_price": null
  }
}