{
  "manageEntity": {
    "action": "Update",
    "entityId": "1419068000",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"1\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsecxpphdt4f4jramszrwhv6y3vityl6sdt7vze7lde6zuumvcq3a5o\",\"license\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":null,\"playlist_contents\":[{\"timestamp\":1782262343,\"track_id\":1580526313}],\"is_stream_gated\":false,\"stream_conditions\":null,\"is_scheduled_release\":false}}",
    "nonce": "0x6e4eab79a5e74f3d128a4830157d2772b8305daaaa952824778e3e938d7f8fe2",
    "signature": "0xcc379476b955fe7bccf34039254a190eac012d2ef96ae8ba820c8fed1d7151546e9fda7e29016f36c2a74de29cd355a21ea2933a96f8348426dbe9631a32213f1c",
    "signer": "0x7B8E04A1EF95c249cC35d1D71EfBF45723FF5854",
    "userId": "466587821"
  }
}