Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH1uWykHakFodDtbTAKP8WnQgW0Xm3sIe1sYoYpa1WXEmsNPVe7UR/sG8zS… (844 chars)"
  }
}