Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwB5rkboUAcjFkMeScBUyxYj/j8OfTO2riOZfZBcuGXNrSDPKOjH2hzRFJn6… (844 chars)"
  }
}