Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFZxho8zBxr61T9Dj8taYYnHc9EvKU4v9+WIHV8LaKYMxMyfMptzM1Yt4qk… (844 chars)"
  }
}