Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFIYzaJqDAgIVu6nJ1rZ6hH6lTjGY6Pdhwnzg/bC9Zc5Hgi7+8+Rul74EVV… (844 chars)"
  }
}