{
  "manageEntity": {
    "action": "Create",
    "entityId": "463716512",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":463716512,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Cool\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-04-22T16:58:53.000Z\",\"title\":\"Ground Attack (Instrumental Mix)\",\"duration\":184,\"audio_upload_id\":\"52e56c61f236629a31e0c30094798b13\",\"track_cid\":\"baeaaaiqseae2ja5kwjk2coytyj27xv7kbrdudlfaitfutfh22fw6ql5c6cyr6\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedo7jdxjg7mf36b5sbodbc5y25emfgb7zhwje7xhm7b4hosuy6ris\",\"orig_filename\":\"Ground Attack (Instrumental Mix).wav\",\"is_downloadable\":true,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":139,\"is_custom_bpm\":false,\"musical_key\":\"G minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":111702289,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebs4nt4q2zhqmrledre3f3pi7ufuoy4fku4h5konrgtynnykp3nze\"}}",
    "nonce": "0xc9d6fc6f8f204b7215525cfc7b6add4b796882c55df205da595f037744777d7a",
    "signature": "0x86458bfc1c801ede5bd1473d09bed21313420e08c29212805efe54d22a328c775ea1f89fb98283358cc0b2f0a7f371d067dd2a96aeda412dcd16590d32c1f8d51c",
    "signer": "0xbed99520306BB0dDd2790eD133a58c5eC1bFCE31",
    "userId": "111702289"
  }
}