Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEzf+ZUHn1ocxS2qOCuSTk6mzz6OCIyL6wqiWi/oCqKYxUSqwju5/2Iqp9A… (844 chars)"
  }
}