Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDzlRrB5igJG5kJxqwJdU8YTdDq+nUt/EK9mzjlfSjniXLdoxTPvK0gR5tR… (844 chars)"
  }
}