Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB9V6DnsEyKHhAOFgzGIrpqJHY2g+etcwysqruogPgam1Y7JGhE5I7D5K2j… (1,748 chars)"
  }
}