Create Fibery entity with specified fields.
Examples (note, that these databases are non-existent, use databases only from user's schema!):
Query: Create a feature
Tool use:
{
    "database": "Product Management/Feature",
    "entity": {
        "Product Management/Name": "New Feature",
        "Product Management/Description": "Description of the new feature",
        "workflow/state": "To Do"
    }
}
In case of successful execution, you will get a link to created entity. Make sure to give that link to the user.