tx 0x8d3a481a89be062f03a6d0f2f97120109162a046e2d31fbc0be0c7f7d06b5a7aCopy

payload

{
  "ModifyOrder": {
    "new_size": 1223011,
    "order_id": 31233501,
    "new_price": null
  }
}