{
  "manageEntity": {
    "action": "Create",
    "entityId": "1778651747",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1778651747,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Techno\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Cool\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"techno,edm,dance\",\"title\":\"Tom Vibez - Here I Am\",\"duration\":152,\"audio_upload_id\":\"f77da288bc712523ed6835c21bc1a8d0\",\"track_cid\":\"baeaaaiqsedzgmf5yne6yxufwswbvvy2tg6ep7yf6djdmsgqkpvft6cyqpgja4\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebx3qmwfd4e2fey4sxjmwfcy7fetaptxcjepprrsnqt74achcbrz4\",\"orig_filename\":\"Tom Vibez - Here I Am.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":142,\"is_custom_bpm\":false,\"musical_key\":\"B flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":555663956,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseclpyzgm357kolzxl2oppufvvosmt5eevz5cyyegfc2oijpho6g3u\"}}",
    "nonce": "0xcd6fbdd87c4283413373802f68ddf024e09f9d2880041e353537f21a3c36d0ff",
    "signature": "0x14992efd2db4a37f3aa68ad6b4c31e1a7651d9ab0c8d0bc3f0f6b8e9c8e4dcb842135f1b49ded528e1e9945e435d16836af59152a9c1920f7d98671eb7266c4e1c",
    "signer": "0xba39E57aa62E649F2b3250E2Cf1456c117127a40",
    "userId": "555663956"
  }
}