Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB3U3Jfr3RXX9e9lPbx72Oq5T1RJYDcor2GSPPXWRn4NkT9VnVKLF4YIIK9… (844 chars)"
  }
}