{
  "manageEntity": {
    "action": "Create",
    "entityId": "339213039",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":339213039,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Techno\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-09-06T08:03:47.000Z\",\"title\":\"public relation - Arktic\",\"duration\":328,\"audio_upload_id\":\"ca092f1b420ce47ca0db6cd8afde21a6\",\"track_cid\":\"baeaaaiqsedqwlnxpgw5nal33l6bbhd6klo73gkhsne3vzauifya3qlx2mzazm\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebheshehzc27qscs5opq2rsxych32qiheaecfrqmzzvzulvofudg4\",\"orig_filename\":\"public relation - Arktic.wav\",\"is_downloadable\":true,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":142,\"is_custom_bpm\":false,\"musical_key\":\"D flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":140400628,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedhpztgfcnfhm4ngt6u44mls7qc6e6m3ppzrodvx3cmlfk5dwnhdy\"}}",
    "nonce": "0x1d76195d4303b429d13d1323e0232bceb45f7895711a17e00bca7a3fea6e5793",
    "signature": "0x3969d104ab3de295ac554aca409d41c196ed9ed0690851416b1c1434529b0bbe4141a7a238ea46bc83cd0f88bd5d674c67ec334d2339f455b419c71de55d36551b",
    "signer": "0x6Fd03F72B52E5830D44376655d287E4258f9d6f6",
    "userId": "140400628"
  }
}