Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBkB2zzO72lVqp5Q2e7ZfWPISBtO/QqzNYcFpsiU9ZuYTcfu96KyMqvhqbg… (844 chars)"
  }
}