Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCxUZ1DgGiX+dEtUM09/o4bG7m+w0iv0LGaiIECwlCpvR+6LQSfUwepYxBm… (844 chars)"
  }
}