Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQG7cKYu9oTnYB0eUbNHMIpEE9MNrcezMtRuNvfhkUZBW0YQVAJe5UF+EZhX… (1,748 chars)"
  }
}