Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHK5HsrCLAObpwsa5iewJ44+6VXxBZZL0JuUuKEuU0FTD7MTJXQ4tLG8pSZ… (844 chars)"
  }
}