Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwKWV1zJdsAW6H1eJWcAuSWw0G2sH7j//JdTHB+9bL/7cAjdcY1ECy3TdqAD… (844 chars)"
  }
}