{
  "manageEntity": {
    "action": "Update",
    "entityId": "1210419250",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsedcaueibhboi3q2amsmqwpqeo62qsldskkrcqjyy2ljdlrrvzj7sy\",\"release_date\":\"2026-08-23T09:54:59.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1787479019,\"track_id\":1084646},{\"timestamp\":0,\"metadata_timestamp\":1787479028,\"track_id\":1084647},{\"timestamp\":0,\"metadata_timestamp\":1787479035,\"track_id\":1084645}]}}",
    "nonce": "0x845645858414c3846000eaf8c3ed0c38bd3c4aedbc584daa74d3511ee4754e17",
    "signature": "0x8ea0fcf8dd300752fb83a8b7e7d4294e777c13769c2905a402d281e3fd85ed24110b26ce3578a0c4c4a0066c39d46b4e2d1e1ebfed0bbc7afce14ee58c8e0bb81c",
    "signer": "0xEFec33FF65644dee8EaE96E99C93429330B67c16",
    "userId": "513100334"
  }
}