Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAmgXLG9uztcT6zg2ZYkX4qykF1HYVN1iDYjkXK7r1tO1Dj29nAZg1Giy1R… (844 chars)"
  }
}