Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDFdTXg4FGlggE+ZwsEEHgJjJPGLBnSjU9k9j6PYCIT2xC6ee0ffQegBtqQ… (844 chars)"
  }
}