Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCGEEXSxolp9ZmrM4KvfLjGz6wVA8kq8zhEFpx8W51uviJAEsRTtGu7iTLR… (844 chars)"
  }
}