{
  "manageEntity": {
    "action": "Create",
    "entityId": "424887490",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":424887490,\"description\":\"INSTRUMENTAL\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"World\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":\"Attribution-NonCommercial-NoDerivs CC BY-NC-ND\",\"mood\":\"Other\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-07-13T22:00:00.000Z\",\"tags\":\"Instrumental,big_band_sound\",\"title\":\"Wonderful Blend\",\"duration\":272,\"audio_upload_id\":\"ff4ec373eb8af007b725a2de27883098\",\"track_cid\":\"baeaaaiqseaopt3mwmtpe353gklgkqj5euyxlworpc7nbf2skrg6pwsyxgdfl2\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseceon4hatjh6km6qalgw227punjvxqgafqxolhur7gyyj3blnfptc\",\"orig_filename\":\"sWonderful Blend.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":111,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":638730380,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebi3e4knrccni27up5pnaux5hefxfbm2rjmjluh77lacwnw4xmqse\"}}",
    "nonce": "0xba1cd375c8bab6b847f59d799c4a3040c0e5f9810feb14eeb24ade54fe972122",
    "signature": "0x5eed0b7dd1018c67e51140d9caa937d03fbbb229900c2d970a6df8f0975515c715906777a1fe94036c144ee3cf1f309d3022eeb38055ef232cdc02d54404ec721b",
    "signer": "0x01b7dF4992b462968b6077496f6B6C9E50b5a907",
    "userId": "638730380"
  }
}