Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCu9QKfbz6rTGx+cl0DUd7EiUx3ZLlJHTnMF/4E5117wXCX5rj9hXomiUf/… (1,748 chars)"
  }
}