Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwECeWiHNM18VOdCU0yYrLbNcyUifpwFHN+Ng0cD2ZWLr0xq71+0TIUw5FWA… (844 chars)"
  }
}