Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDZYCRyHUM/sm1juwtCWYvqUJv5zssEZZz1eGECRBMJzlTQtcxLjIi5vX/A… (844 chars)"
  }
}