{
  "manageEntity": {
    "action": "Update",
    "entityId": "1977728714",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1977728714,\"owner_id\":16403630,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Experimental\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-03-26T21:01:25.000Z\",\"title\":\"Opening Track: Forgotten\",\"duration\":61,\"audio_upload_id\":\"044b5c4efa5f1ad1f53e2a622f13563c\",\"track_cid\":\"baeaaaiqsedrx32iyzwlxykgjq6dhsrajtfu75sssaer77ztz7qn3zisfay6ai\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebudjxt535dhwnnl2n4gyzbhbvxcvufizg4s5txwhcaxkxtt3zzpi\",\"orig_filename\":\"Opening Track.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":133,\"is_custom_bpm\":false,\"musical_key\":\"E major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0xfdb4e7b5777007ebe127f79e94e63f0785025abe64a6970ddfc0cc7376aaf164",
    "signature": "0xa69d47095c21984e3c687536feb4401d5b7a1ae605add08f925068f7d18dac017f31fbeb851d3f1e388da6ba7b1fbc3fc1047be94d6c4f7fc09c7fc2602249da1b",
    "signer": "0x722D38e546555F3edb9897980e7016d09e830BA0",
    "userId": "16403630"
  }
}