Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDxpT+Nmic+vykfo9KBZaRrMYDFGdj0j8J6s1hWBF9PxXzHSHnTu9f/hVGi… (844 chars)"
  }
}