Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGDbaB2XPGtVytMnBbAKzxPOYvp6vkYB0mgLSvVQp9OagWa/0/hdHd3FH1Z… (844 chars)"
  }
}