Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCVLz8D1R3XrpclzownMC8rT3C9+eWU+/drER0p7vGRqj/4mZWAlcRd9n/4… (1,748 chars)"
  }
}