Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEOYg/oAhUZtjSa56mMSFwaI0BtUb0jk2Fepv48t2qK0yZWdRHwx/G2XFYK… (844 chars)"
  }
}