1604 The image profile `{0}` was imported. It was requested by Support Element(`{3}`) from `{1}`.`{2}`.

Explanation
Substitution variables are:

{0}Image profile name

{1}Network ID

{2}NAU

{3}User name

1604 The image profile {0} was imported. It was requested by Support Element({3}) from {1}.{2}.