Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFEKjwW9x6X9j9YIYYtvQDNUlpg+Mi1slbFvz8fHZPgqVzjZ0gRz7T3V57Z… (844 chars)"
  }
}