Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFqJB6O4wlc8XjEUZiWpulgEx7A51PxQrOBBqpK2Cq8BCN+7/GApSQaIhSL… (844 chars)"
  }
}