Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHt4RGaBuiTKXecZ/9ycpd9QfEuyff+EPBJ5y8pPF3SJ2fM0YdHIUjDY4Lm… (844 chars)"
  }
}