Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH1eec5p2zx8N3BE/OsHJnwbHtlXv4zOY5x7Vaqckfg0EeF3R2vOCXUXw7F… (844 chars)"
  }
}