Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDHaTmh+KdWfbYnl7AwIA9n0vWWNQsfbq9YI3uMDlYdx3F74/TP/SID9ZZo… (844 chars)"
  }
}