Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGp6o7tAoMzxbGQ95M+yi06wgxHVxfqEbTt8JwJYkzQjxMnGfIWvFW8oaZp… (844 chars)"
  }
}