Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwJVV1K3Ky+3VXbFxmvq4UpMINR57RgEL7YDpLCemgFuty6FZb7sYTwTSJrx… (844 chars)"
  }
}