Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDZniRn3bOCOlzp2OGndH+PSuekxxW6o+sZGMEVxPPE4k3FwfO9hiWdjAtw… (1,748 chars)"
  }
}