Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDwstRX9abkUlfGrqBv8SCKl//9WPNEFZTG1pxXJ6VLugtUx+4rVE6dxHzJ… (1,748 chars)"
  }
}