Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFg/h8EXXYv1dFxG899sPPJTnCHOh/yNaY4hAixOe/zLCWCndXEfXs20t/q… (844 chars)"
  }
}