Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF6u7QfLUjZ3+zloxxkHMM8QYqrv0LziOVZV4QAgXHLTkWIQy1m3WykdWL4… (844 chars)"
  }
}