{
  "manageEntity": {
    "action": "Create",
    "entityId": "322741267",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":322741267,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0xe9ebbff11f126f2cf1a375672a040fda6a1d81a37766420fe5b5f574983a81ab",
    "signature": "0xc507d745793ea76584641f77459b5b7480e45dfaff3e70c919e3e316ad7b1ec519e985decd1b3365b5a2e909fef49b66c06aa890f90847eaa785d871bde1e1c51c",
    "signer": "0xc3248519A3a57eF48c6dbf7bD09AFc919eaDAd47",
    "userId": "386348996"
  }
}