Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEQfEZ2BFe0pw4hfaWlDlI9nB/IfBXjwsSwhC8p/hnQz1ME9Lye2XHMUgye… (844 chars)"
  }
}