{
  "manageEntity": {
    "action": "Create",
    "entityId": "1435567073",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1435567073,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"tonight\",\"duration\":174,\"audio_upload_id\":\"7b6da5e5b03c1f405e715875a46dc0b9\",\"track_cid\":\"baeaaaiqsebwo3yompagjihehssl3v5v4lqzxrjkyczxzzawn6mksvowzr4dl2\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecozp5sy2yzfzzj3dxmeu2cary3gnqdkbhfeirba32k4xg53tb2om\",\"orig_filename\":\"tonight.m4a\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":114,\"is_custom_bpm\":false,\"musical_key\":\"G major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":601253055,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecjnwcczlgfbxad43tklbghd3foyn6j67ryz75lnpnubq2rsaqkoo\"}}",
    "nonce": "0xdb8d5a5a8e62e414bb6e4d50c9f52dde01a88ed3358a9a1746afefb44959b979",
    "signature": "0x46c683e5bd207841599d68bafa0fad5e93a5cda000161191a819f707754bb5903e84f0a7be0205338338a8092fb1ec09f5eb01e2d32d9e630d63b0f268b207a71c",
    "signer": "0x187a96d4aeCA80d86902567ac0aC583Eb555E72C",
    "userId": "601253055"
  }
}