Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEzTyFQhyf+VjrHpt6vK4dAXWWeBxgUXHvjKoCZ3JyPP3lj494eVu2Ulf7A… (844 chars)"
  }
}