Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCksArJrKYhQNqG4+leOcxbO8hsOWJXA2YLQGvAsZp5w2OKrBnYT/8yQZzp… (844 chars)"
  }
}