{
  "manageEntity": {
    "action": "Create",
    "entityId": "169874761",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":169874761,\"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": "0xfbff1282a27f2d5857c08e21e0ea81b58c2ea7fda68ecd143229f67bd2f01f5c",
    "signature": "0xc8a15fb4686ac9a21747da9bc5c67cdadc110aacd51f320150782d46cf5af203378fb329a37dd15c017367a1547af2dba28083ed383b30c435b8a47acf24ae6d1c",
    "signer": "0x0703fa5FDF5e4064E301911272064122b9FA3E5E",
    "userId": "1862867"
  }
}