Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE3StZMT7ZlcCl0U/dotdXn09kzKWNEgxvANS+QZVTKGyZJ9VjxFZX5Gk3G… (844 chars)"
  }
}