Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFPE4jnTww0GY0sRzxEgwb1bk5/bT0ZqN1ii31WUXClz2klgZZQeZ23BcTY… (844 chars)"
  }
}