Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBbQcvnaC1C3avZL5/OLZEoFFgqUEwLuOBkoLlpCNCw+g4/kLXB8OZDgNaV… (844 chars)"
  }
}