Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD5Yj8PzAKRZI+bKTPiT5+4lIMQWRpkFINPstq0JmBn9BUwgUS4D8CTkDQh… (844 chars)"
  }
}