tx 0x209e815fcd4f0abf4cfc43cec8c56063e43849137a3b3f45b3081c9b4e7f0c2eCopy

payload

{
  "ModifyOrder": {
    "new_size": null,
    "order_id": 1596115,
    "new_price": 490000000
  }
}