Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEtF4M6zZMHjW/KCG1kFFwix/ySaZSRTcxStfQFh3jR1C4cVmjQ3d2Bs4Xx… (844 chars)"
  }
}