Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEwY3N2h8kd4HGpf/AX9cG8MtwdU9Ow6IcvgOf64HCSpm5M6ZtZd+EQJlw5… (844 chars)"
  }
}