{
  "manageEntity": {
    "action": "Create",
    "entityId": "525172860",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Soundtrack\",\"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\":\"2026-04-07T22:29:12.000Z\",\"title\":\"سرينا مطلع الفجر 2\",\"duration\":76,\"audio_upload_id\":\"01KNN1JG5P23XW96HVBSAAGNVT\",\"track_cid\":\"baeaaaiqsedz4gblpmkuwdxpwxlpefl27xjygxwb7mqwekkcrx445m56um37uo\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseb3t3ya3eorpcrcdnsm3dgmpchz2fhdhqyf3ftwihlqwl56wcqw72\",\"orig_filename\":\"سرينا مطلع الفجر 2.mp3\",\"is_downloadable\":true,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":105,\"is_custom_bpm\":false,\"musical_key\":\"G flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":205075370,\"track_segments\":[],\"cover_art_sizes\":\"01KNN1JAVKFQD2T03GHXN3W1ZR\",\"audio_analysis_error_count\":0}}",
    "nonce": "0x9631154d44ac68770623ae5a3cf5f7b3705955286e7927ef28ec7172780bfbea",
    "signature": "0xd805978fc517a19bb2b98f0122a6338bd8d4c3f4075c930c50ca65c8ff16c9c146ed7758d24fe464c0c0d17bd4df33023b0e5c5a9c59ce92477815bbc5e37b061b",
    "signer": "0x410DB782F7C8804Ebd3c68F9989f0398B4633C52",
    "userId": "205075370"
  }
}