Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDnivjZkSaX1e7v1W44B6D7AmGJJ4JcgpyNIcIQeQydqQbLwGIl4OLyEDce… (844 chars)"
  }
}