{
  "manageEntity": {
    "action": "Create",
    "entityId": "1234628681",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1234628681,\"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\":\"Gritty\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-06-08T10:02:10.000Z\",\"title\":\"The Last Dose\",\"duration\":313,\"audio_upload_id\":\"31628b021a779bc840e2c7994affa105\",\"track_cid\":\"baeaaaiqsedk7gnb7vuqlst55mcfcjpvzehldqqjxxzv4b74dgaoidcszkbce2\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecwm76u4ghxhycvdahgpchka3zgdwohbskqmnwhbg6iw7rms6cty4\",\"orig_filename\":\"The Last Dose.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":131,\"is_custom_bpm\":false,\"musical_key\":\"E flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":318238731,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsechiufznzme6sdozjwvn46oibsee7ln2shnwqjcefsd77dnr6hhno\"}}",
    "nonce": "0x26876aa3ce70a282a88292d1cc3fcdfa2e5d00fa1205cd7890f137c8caa59045",
    "signature": "0xc08295345160a24a1796c8c6fa3d8453c42a0162fd9a31cc70d9fd143b88f7de03eeee132118cbad3ee933552303efd6fa189f5fdce9fcc393b1e321f3f3ba0a1c",
    "signer": "0xe8533DD8DC48B11EC063191b0ab1C7CBD9C17662",
    "userId": "318238731"
  }
}