{
  "manageEntity": {
    "action": "Create",
    "entityId": "739246402",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":739246402,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Alternative\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Empowering\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-09-30T12:58:41.000Z\",\"title\":\"02 The Decline of Midwestern Civiliz\",\"duration\":260,\"audio_upload_id\":\"1ec28afeb89576df83352256525ef2d5\",\"track_cid\":\"baeaaaiqsedk6a3ifcqpcavloddhgwofctuslb7siesldezqf4j463fc7sgvuc\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebv35snvv4s5h6ofyx52byucg5n7pzwu3cfm4flrj7oc677pf3ghs\",\"orig_filename\":\"02 The Decline of Midwestern Civiliz.mp3\",\"is_downloadable\":true,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":107,\"is_custom_bpm\":false,\"musical_key\":\"A major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":49222424,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecaurkkb2ptqiyizqqi2mq35delqzbwmgootjy4d6rd27glz3ep5u\"}}",
    "nonce": "0x8a3af85b79c814715417721d5e8fd982a123cd3adbadde05e9d825c17034d768",
    "signature": "0xf7d8041363cca9c67db216f72bc65afa34508bebd022573946d179cfea3bba2f097fbb3c4bfd5913976adabb878f784f7d7925afc7da4ad724e7860a5471094a1b",
    "signer": "0x4d0561C46f27Fc86908D3477A6635A596BF53A8b",
    "userId": "49222424"
  }
}