Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEkQZcpqEMYbaHi5SD7+Lq4CDlgTvXZlvQKUv9wn3OLnAb/PgLxdKmx85I/… (844 chars)"
  }
}