Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEU3ta6EIYd1NVIlRaKtMnzo5b6g2IetSoSE/4YwBP+gEW+HQVsklRuBn0D… (844 chars)"
  }
}