Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFB9z6r+uAWAnhMDJHHQFJwskRy9wFKbq6yqhVhR/ecfmKP4A03j+tuAqpN… (844 chars)"
  }
}