{
  "manageEntity": {
    "action": "Create",
    "entityId": "1231119877",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1231119877,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Trap\",\"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\":\"Horizon Signal\",\"duration\":164,\"audio_upload_id\":\"57206886faac1f7314ada493d40505ee\",\"track_cid\":\"baeaaaiqseaq65ptahxmn4pgbxl4kimzvfrpyvg4hrxaivsxioyaxuvebx7h6a\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseauc7tfgkmkfvfuuvrskezojaua7yakyagj6rl7c4h3kvyccx3jku\",\"orig_filename\":\"Horizon Signal.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":124,\"is_custom_bpm\":false,\"musical_key\":\"E flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":392316751,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsed3xnhety5r36rcqqv7t6e5uezy6tatyrygmba5dsdpmkx5wtvqoe\"}}",
    "nonce": "0x78a3d71cd8d7ca491618d74eadc1b23938e3cb089745eec03f2b4a3fb9740558",
    "signature": "0xff13f35226ef6e3f5c0f7774b976f84d18c5a45c49f24ce5283cd5717a8b6ebf104c6a11ef2ca5ea9afdcfc884d1d912f989b9dcb54cb5bf43475a07f8f54eba1b",
    "signer": "0x6151d65D5f24eDf638335E276837A6e4Eb8d2012",
    "userId": "392316751"
  }
}