{
  "manageEntity": {
    "action": "Create",
    "entityId": "816690548",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":816690548,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Deep House\",\"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\":\"Android_124_Cm_MM\",\"duration\":278,\"audio_upload_id\":\"0a304a360969121c095f7dfae1bd8aff\",\"track_cid\":\"baeaaaiqsecwg24rliccrwry4wi5qvnkuwguobai2px55va3ck7km5aaatjjpe\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsec2bxr6k4erjrmye4kotpeooq2a7y6fhdr6mcbanarsxhyzqeilqq\",\"orig_filename\":\"Android_124_Cm_MM.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":124,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":997474651,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebvupz5mojk5m7e7ggmevf5wtctsintj6efcu55my2mhjjmedmytc\"}}",
    "nonce": "0x03ad07ef82053ab3a6637cd22190fa4db6268e5113e280ed6e4e70b56fdf8c9d",
    "signature": "0x1593c20d8e850cb1925e392f87217dcf6440c85c015c2f8333f316c28e1e6ef809fc0520a398ed333949d2f3fc0588b36478fccc87be18f0c4d85cee9efd3c361c",
    "signer": "0x4d3cbdEb60C2DB7C3D2860c107De432bF21a01FA",
    "userId": "997474651"
  }
}