tx 0x55ad05444bf0b4daad3fc1a67b0cde1d544efb9b2d2c7baaacc5b0d725d3c73bCopy

payload

{
  "ModifyOrder": {
    "new_size": 2739500,
    "order_id": 10578175,
    "new_price": null
  }
}