Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH4GE+A/Sij1+wa9OTLH+cfCnn0w38hTvk9D9rDvA1bMxJAp1sUvfeBcCUd… (844 chars)"
  }
}