Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEVDqkBod4FZbvv9XBZWuGg5GFK0ojj2bWajRk6Ej/GIE4rE6qmgYALM6GY… (844 chars)"
  }
}