Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF6MqgV3/CKlxah4uBaqcIrOxYb9LQNFq5cZxhRQkRVikq4fdGCWzHAMy5M… (844 chars)"
  }
}