{
  "manageEntity": {
    "action": "Create",
    "entityId": "1973357746",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1973357746,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Techno\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"techno,pop,electro,progressivedeepbass,dance,heavybass\",\"title\":\"Midnight\",\"duration\":196,\"audio_upload_id\":\"65199b538fec55615f529eb381a7759d\",\"track_cid\":\"baeaaaiqsebmpxfcneni65jlgbgbjskcoqw7mj25mdtmmze6xn7axt37tz7ssw\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsediak3jcyajypztmcjcn5btxwqlkgvoxylcr6vz3ozgbxswkyd4l6\",\"orig_filename\":\"Midnight.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":134,\"is_custom_bpm\":false,\"musical_key\":\"E minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":385467596,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebsidwqmfzgdw7yliuputv6qn6tnncqqwphecwyf5ixmfrrfwg5uu\"}}",
    "nonce": "0x292231dfab208a1fabd6184b4de3c16213524c68372584cd82fc20827f300019",
    "signature": "0x8160e63d6dd7bfe4954520cebb42d9bbf3e0d38f1b9381f4511a3fde85aca357222f5e84d582b6dcb67b6e30d8e3bd683802261c9e7841b581f02830ef149b931c",
    "signer": "0x4B010760ab25B3887CAA0a8c54d58c9B73bA00aA",
    "userId": "385467596"
  }
}