Adds, updates, deletes, and lists user custom fields
Subcommands
| Name | Description | 
|---|
| add | Adds a meta field | 
| delete | Deletes a meta field | 
| get | Gets meta field value | 
| list | Lists all metadata associated with a user | 
| patch | Update a nested value for a meta field | 
| pluck | Get a nested value from a meta field | 
| update | Updates a meta field |