Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEyTj3Xal4esP3Nrs+jlUfPyKKm4ud4xfbIcVnr+8iJAiOuOijbT9k+Aj/B… (844 chars)"
  }
}