Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCXQ3+sEG+L+eYFh34E+B/U7xCTL/qK1ylv2YtLhziHjVcxn9XNsicCd1Tm… (844 chars)"
  }
}