{
  "manageEntity": {
    "action": "Update",
    "entityId": "1874864195",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1874864195,\"description\":\"“Echoes Without Voices\\\" is a minimalist chamber composition that explores resonance, decay, and spatial depth through the interplay of violin, cello, and restrained percussion. Emphasizing sustained textures, legato phrasing, and gradual dynamic development, the work prioritizes timbral nuance over rhythmic complexity. Repetition and silence function as structural elements, allowing motifs to emerge and dissipate with shifting emotional weight. The absence of vocal presence reinforces a sense of distance and introspection, framing the piece as an exploration of memory and lingering sound.\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Jazz\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Gritty\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-04-13T03:21:22.000Z\",\"tags\":\"\",\"title\":\"Echoes Without Voices\",\"duration\":207,\"audio_upload_id\":\"01KP2DNK1H3J2PNPZKD8SWKHMQ\",\"track_cid\":\"baeaaaiqsea2igjk65ccj6jrpu6yv2gsusmajcl6sgqgjcp2h2jyfhszsc2ecg\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsed6kzirj5g7br3nuuh3hapbmgcqv4tjvcng575ikrmewd26wxtx3i\",\"orig_filename\":\"Echoes Without Voices.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":87,\"is_custom_bpm\":false,\"musical_key\":\"D minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":831117417}}",
    "nonce": "0x7d787f2870a49f88409f1b90bf5369773f85220a040e334daff634dd9a559817",
    "signature": "0xc19eefb40b460f1dc0840bae5ed27b4bed9df0c2ee68cf03fc843d4ab822b62550bd40576fd7b6ff8fa4fa491d896ce00deab705e31c8f6d71786fcd5e20176e1c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}