{
  "manageEntity": {
    "action": "Create",
    "entityId": "500711133",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":500711133,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Dubstep\",\"isrc\":\"\",\"is_unlisted\":true,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"recording - 2026-May-18\",\"duration\":3513,\"audio_upload_id\":\"014bff86fc388317b4fb194866159bb3\",\"track_cid\":\"baeaaaiqsed262s5v3cgv2e6aeuni7poj5dybwoxxvcap7f6m4wmwcuoceak7s\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsectiohdcvuj3y6b43tci6d7m4lcigswstmkrwxcdanwbkizs2r7bo\",\"orig_filename\":\"recording - 2026-May-18.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":110,\"is_custom_bpm\":false,\"musical_key\":\"B minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":69665,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecny5rlma4yfysjhwhgiqy6o63da776zsjnpx5hg4t6g2qq5cgqji\"}}",
    "nonce": "0x9b317d702f074706d1ba43232ee300b9e714a4d9e164e18f82dce781b94f8165",
    "signature": "0xe6d9c61b079c936de8a22780f3be8d0be9d3969ec7bd25adc68fc93d5cfb785663e7b986787e8d981bc3c86b2b2bb11ac6a5394d7c71a41821af7cb33a7a1d961b",
    "signer": "0x07c8C97C059A691cb0bfba06cE1c922ac4AcD4c2",
    "userId": "69665"
  }
}