Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwK1pRHs7uuAjmPoc2rI5HWA/h10IZW+Y/UcRPG6/cp/PD8mYeIjqEuk5F/J… (844 chars)"
  }
}