Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCv90iTxxWxstt8i+7PaemvvHMBrdINhTqAP/XcQvyG03PmYz6MbNEBx9v2… (1,748 chars)"
  }
}