Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGfmdSRaPRgTgA9Dj9My3p0YZ2xCQFfBMOCHv2Y5b6v9nvz9ZoLz+Ic6YaW… (1,748 chars)"
  }
}