{
  "manageEntity": {
    "action": "Create",
    "entityId": "427994397",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":427994397,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Trap\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Redline Entrance 2\",\"duration\":254,\"audio_upload_id\":\"45080735623243e16cdfe951fb2a8efd\",\"track_cid\":\"baeaaaiqseaukujqf2me7dcnmhabfwie7scrzd6vsfs4yq5lxkggh4tsac7yqc\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedbc7xp6pwp6ohqwr47nej2wr43spow5lb6yvrj4xhxiuyhlmiqju\",\"orig_filename\":\"Redline Entrance 2.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":146,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":509716406,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseaz3b3c6cub3iqd6btvh2h6i5xscm7ufuc5cg3q6ugvapspobylnm\"}}",
    "nonce": "0xfb020430558d45c94ca32c96ca21b968c6ef35e04570e6c488d97a2fad9b918d",
    "signature": "0xf79046d67d11422b8940617f49f11d21ba0cb7ed641de34ac837a959cab64c534678928e7590544fdb3354154e172de9eab79165ecef5c3142333f2139f22e0f1b",
    "signer": "0xD1e78d368b6e1BA9c3281E18c08B03ccc78b50EA",
    "userId": "509716406"
  }
}