{
  "manageEntity": {
    "action": "Create",
    "entityId": "783148110",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":783148110,\"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\":\"Peaceful\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-03-26T08:50:48.000Z\",\"title\":\"Makrolon Midnight Echo Slowjam\",\"duration\":167,\"audio_upload_id\":\"aaa165d616754e9114b0abcca7544f9f\",\"track_cid\":\"baeaaaiqsecoyprkblmpq5zkhwzu2gxsw63vvjqw65ius2t3doad4v5b2cpt4q\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseaypjkrbukxfhunht4qq4dsqknxlrygdybr6tdhzxmqoxuzvgfzv6\",\"orig_filename\":\"Makrolon Midnight Echo Slowjam.flac\",\"is_downloadable\":true,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":122,\"is_custom_bpm\":false,\"musical_key\":\"B minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":111702289,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebeylyhghc4bxnwjbzq5wavdzdfk6zj2kyukjzxvg45k6cj34r75i\"}}",
    "nonce": "0x19a1445eba3372bcd710f7b7b2e21e8a270e47c73446f3a10fa99caa226a6f80",
    "signature": "0xc2f959ba1a626d0197f7473205c7bf297d8da3b0243d726e80a41d90dfeeb2b21c56b65e907a3b0f6d3eb6cf167337a11f1bf729ef27c01c86673b83e6bcd3ef1c",
    "signer": "0xbed99520306BB0dDd2790eD133a58c5eC1bFCE31",
    "userId": "111702289"
  }
}