Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHHuuzgzJNRwcX5U8cJLyJJFrmtLb/PnDLbZnVInxO2YVVTm9P0UuINRjr+… (844 chars)"
  }
}