A list with the following syntax:
list(
User = list(
Path = "string",
UserName = "string",
UserId = "string",
Arn = "string",
CreateDate = as.POSIXct(
"2015-01-01"
),
PasswordLastUsed = as.POSIXct(
"2015-01-01"
),
PermissionsBoundary = list(
PermissionsBoundaryType = "PermissionsBoundaryPolicy",
PermissionsBoundaryArn = "string"
),
Tags = list(
list(
Key = "string",
Value = "string"
)
)
)
)