{
  "manageEntity": {
    "action": "Create",
    "entityId": "1803249603",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1803249603,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Electronic\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-03-31T15:30:00.000Z\",\"title\":\"Gramatik - The Anthem\",\"duration\":287,\"audio_upload_id\":\"c24e8a9eb9f6d690d4f8197da0237d4a\",\"track_cid\":\"baeaaaiqsecj7qha7u3jmhwfo6ym5vztygrcddjrm7umph4bkfcj5pcfcwr4om\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebspfykg37wjs3btyc7bxzzxxlfcmwgyacrrooo3rkw2s7cssn6ae\",\"orig_filename\":\"13 Gramatik - The Anthem.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":90,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":true,\"owner_id\":41804,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsealgy3cj4jdyamcwxybcfrm3xe5swlm62plp5pxjrwobtaeusnthq\"}}",
    "nonce": "0x2535a95b74f0c685d07ba1ac492b339ff761f8f61103e9a2100c3626eaa33426",
    "signature": "0x011e3b2b8370c78eed73fc0aee954c1c34abf1970a989dcb8195c15dc068658f0ed8363ac4797c961f9a5ca0b826a86698a83cc067348cf703d7d243881ecb501c",
    "signer": "0x51C747e7437C025eb47a63843f019C0ff2253474",
    "userId": "41804"
  }
}