Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD4KQS7GDxMhxcqyg7lzu9S+N8+ywGt4SXk/FrRQp/h3hG3zWfuQRqRPRyD… (1,748 chars)"
  }
}