Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCPIxis+gfl7zXAn9SRG4mGtzu2wooJlbVoc44e/Qrqeg0nAU0Zd/0f0K11… (1,748 chars)"
  }
}