Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEih/ui9xTdtUOxnxm1RzmZbhkVZc/ticLQZXoMSA5OP30Qoqhr3Uw8b91J… (844 chars)"
  }
}