Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHoTkydX/LCNHjdTL8XE5G1gXPJgIWBQHBEQua0OsT2gRY6pT6zJKf2Vs1o… (844 chars)"
  }
}