{
  "manageEntity": {
    "action": "Create",
    "entityId": "556393345",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":556393345,\"description\":\"New thing I'm working on.\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"House\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Sensual\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Untitled 4-7-26\",\"duration\":277,\"audio_upload_id\":\"612c0a295f239a2e29a4169980e47b02\",\"track_cid\":\"baeaaaiqseckenftsdl6exrjj5ebgmwccqgeadcznebxfyh5muzsihydjggfbi\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseabyv3liqn7m5ch2w4oftdaj5wytjrj6rqiq6jyhkw3r24rp2ir5e\",\"orig_filename\":\"Untitled 4-7-26.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":128,\"is_custom_bpm\":false,\"musical_key\":\"C minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":61893,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseb3njqxigbnlmpfjf7gfsoglthics6q5spjez35lx7svnawwmhtx6\"}}",
    "nonce": "0x1107b85a5bd8b68a6724c6dd926253ddc577551a9713bb45b6d4586e90cbcbbd",
    "signature": "0x8a578eaaa15576f2f9c7fad8bc6449d171cb7d56502ff1078b32bef46f01e4bc031f3be5b6da4d69e98795e1788486c2aeff24c9839233dd62adb2b56d4a0d961b",
    "signer": "0xdcC16D9e5786b484F155bf4e6d66C5130D845572",
    "userId": "61893"
  }
}