{
  "manageEntity": {
    "action": "Create",
    "entityId": "404642876",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":404642876,\"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": "0x64e5fcce96bf194c6b5060a4102c0a7ab9a690af2276286961c7c0fcd20d8b43",
    "signature": "0x6ec30f4e0360f2d4520d9d45b5932bd7f574b9d4a7a4930355a50d6a05bf86be50e6caec6f305154d7a356d489749060353ee5b2b2b3643769bf899b3c7704e61b",
    "signer": "0x54A7bEEa4225786D727D79eDe3df2AaB446aC63A",
    "userId": "757958666"
  }
}