Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAiXAp7ZUMj2jqrtNE4AfTUhpYX5ecOG/D6zhQNQPugVG3xw8WKX61dsaCC… (1,748 chars)"
  }
}