tx 0x5e73b8aa7e07da261f0b739bb5c4448f7af4fcffbf4c4b5bd8d5afc25be2f1b1Copy

payload

{
  "ModifyOrder": {
    "new_size": 1648005,
    "order_id": 10310918,
    "new_price": null
  }
}