Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFVf8vSQ5YSk1YbN680p9GzCBHezo0BJHjfN5OJMH3DhCE9/ZYDUbHLMOEE… (844 chars)"
  }
}