Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwA2pXPOjMO70+aTX1SZEcdFu7WLr4EhUBFHVf6HtVBGHmhk6C19E3SoVncD… (844 chars)"
  }
}