{
  "manageEntity": {
    "action": "Update",
    "entityId": "499601422",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"DRUM \u0026 BASS - BY GALLUS\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"\",\"release_date\":\"2026-04-04T10:11:54.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x3decaf04ca7a949563e945f7aaac251f8510bd7f37b1c0b60b602cf3509a9f13",
    "signature": "0x77aa8eb019ee7a2866155a662d7790d1d548124a75b3b3069b02bbc8dbfac4e93e27f745b785c982a7763914899d4e9bb58fa8280fd2c2963f07f678d15299c31c",
    "signer": "0x8541894E643D02562c925b24cA4De917950B837D",
    "userId": "970214396"
  }
}