Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG+S1Ftc0jduKo1e2plBSfV5eaLwKkTk89eAwZZlZO+0QFkH/UDRmE7t7Jv… (844 chars)"
  }
}