{
  "manageEntity": {
    "action": "Create",
    "entityId": "1402154486",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1402154486,\"description\":\"another very beautiful arrangement made at around 15 or so\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"i don't understand it (2021)\",\"duration\":116,\"audio_upload_id\":\"9b14fe998736bc58396170274b1595e0\",\"track_cid\":\"baeaaaiqseahfhz5urwfjpkhjprxobw5uipeaagsvxeqtcn3nb6u4ov3hoqrqe\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseakrx6v2jwvdldkxx4ligejuwjzzoqyepw62ilsr5zptw2hkq2q6o\",\"orig_filename\":\"i don't understand it.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":110,\"is_custom_bpm\":false,\"musical_key\":\"D minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":293,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebntwaolbsivsyqo5ekpxmrrnzqkfpgb3exg6m37aa5grprsnvoj2\"}}",
    "nonce": "0x965a710a1cc37f5882211933eea6021a8e268b4d1ae300fd5d3653779baa4b51",
    "signature": "0x8cf776143548e630e85ab544af56a83429c339966dd81311bc2fed6cb351d70d25bd37f61ac1fda1ea2873abd787a4e2412b6e6d1d60658906633504671fc5671c",
    "signer": "0x2457fbc2d39A0895984a63d64176d920439b45BF",
    "userId": "293"
  }
}