Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDIU3/ihtI5l2tBQq+SmpURuMlv7oDFTYcKTV/Y6Q4A9X4xU2maed5HJkal… (1,748 chars)"
  }
}