UserPermissionItemSerializer_V2
Serializer for individual user permission.
Maintains nested organization structure, removes UserOrganization.id and user field.
Removed created_by/modified_by/created_on/modified_on as they tracked UserOrganization lifecycle, not permission grants.
{
"organization": {
"id": 0,
"org_name": "string",
"domain": "string"
},
"permission": "string"
}