{
  "manageEntity": {
    "action": "Create",
    "entityId": "17244953",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":17244953,\"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\":\"\",\"title\":\"Time is the best killer\",\"duration\":358,\"audio_upload_id\":\"93b0e3061ff65383b2a82eae5193ca9d\",\"track_cid\":\"baeaaaiqsebfgfcy4xbqyrkbojwco5uqrwcy7nlsep7bx52nqff7vau755vfgk\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsed43lkl3wywsncxvtf3r7o2fwf7noorbaud6et36jf2bz45imz2oe\",\"orig_filename\":\"K's-traX_Time is the best killer.mp3\",\"is_downloadable\":true,\"is_original_available\":true,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":128,\"is_custom_bpm\":false,\"musical_key\":\"E minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":1062960,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsectty4qr4mcejtlh4bthnh55ibkvswpc75jk3avwjty6screomgdw\"}}",
    "nonce": "0xa634089499bfdc186f5da1bd48a19964096e2a12937e43f48c161d3a83d7bbe1",
    "signature": "0xb51888626a4d6c5ed16fb7a17adaa96321d5db6dd8c500c87fdfc0d125a8185f1d83c98f05b8783cd74d357d086744a0d90382bf9ebd4bebdb1303601b93ee621b",
    "signer": "0x553d7e15544d275c54f4C06Bd1D77b7Ce9c7c171",
    "userId": "1062960"
  }
}