Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEGCkDgLtbmkCj0/F46bTZe0dTXGqS1yUjVMKOx8zCU5ibJxYPIg55+zcAq… (844 chars)"
  }
}