Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE5D6QuqGe1aIud2osCyb0SeqDKP+kzB2jKwIjwZA1xNHpc5hhO9zd4WlWp… (844 chars)"
  }
}