lockDate
The date and time when Backup Vault Lock configuration cannot be changed or deleted.
If you applied Vault Lock to your vault without specifying a lock date, you can change any of your Vault Lock settings, or delete Vault Lock from the vault entirely, at any time.
This value is in Unix format, Coordinated Universal Time (UTC), and accurate to milliseconds. For example, the value 1516925490.087 represents Friday, January 26, 2018 12:11:30.087 AM.