Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDHoPWZQUBkC6UXeQgQxMVj1EB7nMz4DEmbUKo8+gxwUlimeMlsA4T/2x5e… (844 chars)"
  }
}