Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGChkMegEpgJtboMqN72oFasJr0WKs8Ge/YIFgoXv8E3WHAFzB0h6jq2Cj7… (1,748 chars)"
  }
}