Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAak4Id+BrNq1YWdLLvdiG4d0L99Ng1kXwQr0WxvVe5SBtbDNCgBP2Xgbau… (844 chars)"
  }
}