{
"manageEntity": {
"action": "Update",
"entityId": "399967991",
"entityType": "Track",
"metadata": "{\"cid\":\"\",\"data\":{\"track_id\":399967991,\"owner_id\":320968767,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Tech House\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"collaborators\":[],\"is_download_gated\":true,\"download_conditions\":{\"follow_user_id\":320968767},\"release_date\":\"2026-04-05T15:57:28.000Z\",\"tags\":\"\",\"title\":\"Birthday Mix 2026 @Private Party\",\"duration\":4483,\"audio_upload_id\":\"ce1e61105e87dc957597274718188d87\",\"track_cid\":\"baeaaaiqseafobeaieo6wjgj2sv7aalm6lile3bz7mjnkovb3yvf2nghjgb4ns\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsechrebiayymtgwabbljlatzmfcrnbgde5fiectf5y36dydsiz7kmu\",\"orig_filename\":\"birthday 46 ans.mp3\",\"is_downloadable\":true,\"is_original_available\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":124,\"is_custom_bpm\":false,\"musical_key\":\"B flat\",\"is_custom_musical_key\":true,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
"nonce": "0xaf4ecc504e284ae66e616af1e5f5fb049cb6e221ddbee911ca2eee8916ba8e09",
"signature": "0xe0bd86048470930b7284f0081f520e7495ab93c5f257e7b9b8f890e30ec40d550e165bcf0ec8e12f887e97e75f6526ff1ac703d2e2bd5859b8face269833f9e31c",
"signer": "0x7c4abA507Cb54290aeECcBF5F87e029413a20414",
"userId": "320968767"
}
}