{
  "manageEntity": {
    "action": "Create",
    "entityId": "1244495956",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1244495956,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Rock\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Axle - Look Up\",\"duration\":248,\"audio_upload_id\":\"7dd561cb615d212c4a52256ae88336af\",\"track_cid\":\"baeaaaiqsedx62dibcnnqovawesqwijdhxiobr24cov7oznely6os3lis24nwu\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsearane6wu62gf2j5i53htws3v25opiz4u4gjh6bemfc25fnipztpi\",\"orig_filename\":\"Look Up_HD.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 flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":350266629,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecaekncmlssa2fozt25s3arbclhghyzfeibhgnok5iopjzrylkgaw\"}}",
    "nonce": "0x36c670d56bdb50a54ce977ccdfce2989c21c918cf8a4932f1f56043466648174",
    "signature": "0x376d85e4c4960517849f5bdf7c5f9f1c9365e12f79015e8fc900b6e9d69d035126aeddeea350a1d765dfddeaba990e817d78fcc389e92e23ade66e7f4f3bf5801b",
    "signer": "0x3d3C9a78785e201CD119b8f74d7d88D131bB3cb9",
    "userId": "350266629"
  }
}