Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDZmbs0HAkqTEzaYuUHBzF4VCCJwNMdXgAlSfr9bDNM2WNeMCrgZkivzuGZ… (1,748 chars)"
  }
}