tx 0x7cb4fe5df47d5c4469d2d7b9b6915ddc99a1e429ac691f0fe0ac4b91c3fe2e3bCopy

payload

{
  "ModifyOrder": {
    "new_size": 989855,
    "order_id": 3788930,
    "new_price": null
  }
}