Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG87zai4p6+UHJFpmDi4lqcD3c6qRozHrNoPzm3VK9Y9SvDHBG9fNuM4BXD… (844 chars)"
  }
}