{
  "manageEntity": {
    "action": "Create",
    "entityId": "1723417795",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1723417795,\"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": "0x0c4db234d1db54aaa3ea2fa89ddd27f061400e07d2b6ac66c9660fbe43bf2be3",
    "signature": "0x31d8c6894474dd93fe1443f9a7c32a5c44250523849cec52fc640400d76d857614439694dd58e3b6b505256da9a75fe27b5ed352ca59bca4b25751bcb6175ad91b",
    "signer": "0xB3CCCdE1D0E83236E61b43A0C53a57b049c88445",
    "userId": "700560752"
  }
}