{
  "manageEntity": {
    "action": "Create",
    "entityId": "286673579",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":286673579,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Classical\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-06-15T01:11:13.000Z\",\"title\":\"Bas(pno) LaLaLa\",\"duration\":80,\"audio_upload_id\":\"1e617c36bf1050fb29e89c2c46df0fa3\",\"track_cid\":\"baeaaaiqseasiumgguwyhb6tgiu2t5mje4ah5ypqqjzs5csqhek3guygo2h66g\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsed5lxobfmyogxaalxvapc2kpq7v5dtiqyuo5d2vdybh73wkmiknjo\",\"orig_filename\":\"Bas(pno) LaLaLa.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":120,\"is_custom_bpm\":false,\"musical_key\":\"G major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":924202024,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseczhm5bf5hpilk35glkeh23zq4rq6xfnks65dgyfizz7c6ppsc4us\"}}",
    "nonce": "0x5fbb1b820a28418eca847775b271d1d8a555a31e7f4422c1ce623ce3848d5c4f",
    "signature": "0x6eddc93c4b13e9d18b88d05f865dc303ca049d6b994df3291f8784d396b3a9b27c08b242c122e8e2dc48fff3e5c62819c7ba1bf912c9ecc89da1d835d53592661b",
    "signer": "0xD273958b664e7fcf794c292a646763240Df5C713",
    "userId": "924202024"
  }
}