Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGHKaGQr3dZwLOH0ezKD1Sd3BHrrC6J0lL9x7nQZuWy1Tg4pawcVA9eF4dW… (844 chars)"
  }
}