Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDe1ruSH+5nOXPfkr0vEiO+NCHQXGk8BZwiQcuiRJXPKHa7qsalAZ7xzXWg… (844 chars)"
  }
}