Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHu6F0IfsCXjwMnB+nSopQRTXrKLa0PG0Q5gMqxigop3TEO+tR4Dpk+U8N1… (844 chars)"
  }
}