{
  "manageEntity": {
    "action": "Create",
    "entityId": "1107572038",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1107572038,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Alternative\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":\"All rights reserved\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2026-04-04T21:00:00.000Z\",\"tags\":\"instrumentalhiphop,triphop\",\"title\":\"Underwater (Interlude)\",\"duration\":199,\"audio_upload_id\":\"c039079ad3bac3edfd4bf2cc7e0e0f4b\",\"track_cid\":\"baeaaaiqsea642whtud5qhf73eqcg6fpubeu3hqizwmnk7zykugsgfgvq7ne2q\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseb5pgqdalpo4r3he3ukbfquau2lnjspckbxezcch3dybhpizbsimy\",\"orig_filename\":\"07. 21st Century Archetype - Underwater (Interlude).mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":87,\"is_custom_bpm\":false,\"musical_key\":\"D flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":189172,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedhuiy72s36ubdhmwcyb5sqpvv5i5ykngz3iwi7k3epx444j2ka6e\"}}",
    "nonce": "0xecb4b8b334f34b1c1b11b1248f4991c29e3ac119ed4cf9d2d0d4f7927defbec5",
    "signature": "0xac297881835bc113a2af6eb1cd50c1f771a4b8d5e3479cac82f079ead632af2e046010f16672132a2c32aeb7b550e1f205f5df832b0a7dabadc63e04b34ff64a1b",
    "signer": "0x3F2412D53779608856D51710894421C78B09BF5D",
    "userId": "189172"
  }
}