Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFO/DW7h9W+9mmDN3XRLBoJ4IynYGx1YPX6rI6oz4/8XWI0h9ac8i0Ewdkm… (844 chars)"
  }
}