{
  "manageEntity": {
    "action": "Create",
    "entityId": "991375542",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":991375542,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Alternative\",\"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\":\"05 - Vintage Green Suede - Someday\",\"duration\":264,\"audio_upload_id\":\"d779b2fd9c7d684992c7b0e07cf45831\",\"track_cid\":\"baeaaaiqseamigpdsxogtkuczaqxskkjvz7iawshk625b42nt4v5wy5hut4ksc\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecdjxme5qjvz5zpuijtnyifyu2xooqvuxsye63nqhl5nffu52uaig\",\"orig_filename\":\"05 - Vintage Green Suede - Someday.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":120,\"is_custom_bpm\":false,\"musical_key\":\"G minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":136853,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebea7y5txo7aemiqx4dzgok4ytihyciwycjp7uzpqqlqszh6c6tbk\"}}",
    "nonce": "0xaf162cfc1dfaeec62f13730678e73844ac0d596fa98c41d91baa95d67a5945a8",
    "signature": "0x7938734df90627323f83eb907dffecf495c5abeacf29b1f07e046ef19e77617f5ebf470337f35de0cc7950dc123d8ea767468f41bdedf7daf6f80eed64f945e41c",
    "signer": "0x6406FE89a9DDe757078c7b874E3014Be17f76baf",
    "userId": "136853"
  }
}