Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAXGM7YqgbUyDPu1OaTosUVQJvJl+BTQvhmcexZaIbkZnW6tMRrHVF4o5Da… (1,748 chars)"
  }
}