Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG/2IjYRjFU/l8blSNYf0DzeSLJKcU6nrD7NYBMB8HupCR3Rd3pudwpCXhV… (844 chars)"
  }
}