{
  "manageEntity": {
    "action": "Create",
    "entityId": "1409093533",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1409093533,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"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\":\"04 enbou0826-3\",\"duration\":282,\"audio_upload_id\":\"be0665256ac0bdb39e3328e02e3193b8\",\"track_cid\":\"baeaaaiqseafo6pepn2orrzvoihyusca3lmbpxdalh56dgbun7hit3slgbje54\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedqluwv3pwhkaziexqelnsdawu74yx5b5hyjtly6zwpaqpueg3hju\",\"orig_filename\":\"04 enbou0826-3.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":104,\"is_custom_bpm\":false,\"musical_key\":\"D major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":218692613,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsed7wymzzt4qfjaeo5wumuzuv5lwa7g3dpvmhiuh2qf5x4b7rlgezm\"}}",
    "nonce": "0xfff61ade18009768fc711c9d7e0397a4f4b12b8b637963bf82d8f94a6c752316",
    "signature": "0x7d2809431a72dd9d6ef8c12b2b7811c6b530531be923f86a9a5e10f34fc880cd42d18bb9aa69dfbbc58983e2a926fced3944f9becbf47881388ca5968243e2a31c",
    "signer": "0x6CDDC7B674Dd0fbE8fB2850B79b97aA2A37Aa071",
    "userId": "218692613"
  }
}