Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwJWO+MRCT9+9MNVILgY/fzDZKyT0ZogvRZSuYcZGI5yAAvR5xILHyJ9AC7g… (844 chars)"
  }
}