Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQKDu/ulPwu9aDhe5CcwWuceK+zyFxQe/hrNYVxrH6dwMjoBr1HA8m4W5MZ9… (1,748 chars)"
  }
}