tx 0x11779c5ba9399a3831a6e2c7323430e3d0d60b6f8a88dd499f3e81be9f5b2a5eCopy

payload

{
  "ModifyOrder": {
    "new_size": 847975557,
    "order_id": 6196474,
    "new_price": null
  }
}