{
  "manageEntity": {
    "action": "Create",
    "entityId": "214941993",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":214941993,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Ambient\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"WITH THE TRUTH by Prof. Manuel GAGO FERNÁNDEZ\",\"duration\":298,\"audio_upload_id\":\"f6dac75af7ea8a7fa551a384b33ead37\",\"track_cid\":\"baeaaaiqsecgzd4pltmog7f7py3g4xdy46k26e3yts5rctlhjddnl4mknujnam\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseaftdqqcwsgmbww3v6f5y2qlpydbd57sbuot7oxg3lp4ck7kzckyq\",\"orig_filename\":\"WITH THE TRUTH by Prof. Manuel GAGO FERNÁNDEZ.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":130,\"is_custom_bpm\":false,\"musical_key\":\"B flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":42634173,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebwua5nf23iydow4yzlmqksryryopgexynqa57aakyspquttwreqg\"}}",
    "nonce": "0xce6905b6449a6f6fa74970897e0faec90dd9fac31077b60352aa072512b2794d",
    "signature": "0xbbaf2db008605b5603fc514c03da6b474a0dc35af31e51824e16e2e3dd61f89b6cf4a0c41eddf20e438d43d14835dd21994a80f5d77d8258ba8b8fe141cf1dfb1c",
    "signer": "0x18a7B3405E81900d8aF72d98D5f2C54e2C988f9b",
    "userId": "42634173"
  }
}