Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG/VbTA8lZCmiPvKN3kIiM8j6XBzuY/cYtZ7xeA6NKo1F3xKBDTvFY8HkLc… (844 chars)"
  }
}