Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFvO4L5d4lBezJrPHrOJerMRQEEgfp2NjtqyMGHR4dddHT6o9Ymei5Svk3y… (844 chars)"
  }
}