Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDNWJC3JCJ1vaxgXTGlpSu6sMpEmB6F9IxOlE8YUH6WaH/PAYaGjtcdNnKP… (844 chars)"
  }
}