Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHeBHH8utK3lsxfZrB9SH0eqw+Hk+CA3yp79XS6KZZmASQXpwgLnUvH1iOW… (844 chars)"
  }
}