Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEHc5vRnuq/YJqwd8YkDHZ6sY7UhOhu4333lb9EtZfRzXfgvMvPNvP4QgQA… (844 chars)"
  }
}