{
  "manageEntity": {
    "action": "Update",
    "entityId": "13056347",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":13056347,\"owner_id\":490095017,\"description\":\"Jesus and Mary Chain song\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Alternative\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":\"All rights reserved\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"1987-04-19T23:00:00.000Z\",\"title\":\"April Skies\",\"duration\":241,\"audio_upload_id\":\"06dd150e694c3c86660643971aeb189a\",\"track_cid\":\"baeaaaiqsedmuaw6zbkm642jqe34tekmxmjf5bodjlzoibl64rrhiix6tj4sei\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseckmc7a4qsu4zb5drvvbvatsfskspaa73gc5zmcfxlr2iyrjagbre\",\"orig_filename\":\"April Skies.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":119,\"is_custom_bpm\":false,\"musical_key\":\"E flat\",\"is_custom_musical_key\":true,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0xf8369c5523457364b985fe1ccc918e16fea5c2a6dc04e06bc3fd1d676deaf74f",
    "signature": "0x69f277dfaa9c5b0e8c7e64c3ffc2df46f577744f5e69b60b1fb80225f5a533c44437ad96cb0aeb5f72ac20f0303a34e88cd87b8088319bfa4c4f83f7e36242cf1b",
    "signer": "0x2c5eE07f9Ab77ec7072709df700D6Ab43B4E507B",
    "userId": "490095017"
  }
}