Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEClNkuJIbj4ZxcbKMNYJjHmwlqMN+wk6U5lJqCCWVlXRaw9vGHJTLys6dQ… (844 chars)"
  }
}