{
  "manageEntity": {
    "action": "Create",
    "entityId": "163335478",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":163335478,\"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": "0x8712c6dd5fb4227e2e8dc16d6ff99bc35a3b17ef7040d80e66aed5c8b2cd94ad",
    "signature": "0x16b1450f19c74448078ce1c72d5bd098e8cef777c0335b46690e8b242f4fc5f72ef4668af6d600659910afd5f8186247b8e464492b5a69b8798a5f4ffd3765da1c",
    "signer": "0x27686c69c3E5E4BE1014e8b5880ffD7BA8713dDa",
    "userId": "265134730"
  }
}