{ "rules_assign_new_role_to_customer" : {
    "LABEL" : "Assign new role to customer",
    "PLUGIN" : "reaction rule",
    "WEIGHT" : "3",
    "REQUIRES" : [ "commerce_order", "commerce_payment", "rules", "commerce_checkout" ],
    "ON" : [ "commerce_checkout_complete", "commerce_payment_order_paid_in_full" ],
    "IF" : [
      { "commerce_order_contains_product" : {
          "commerce_order" : [ "commerce_order" ],
          "product_id" : "20131001",
          "operator" : "=",
          "value" : "1"
        }
      },
      { "commerce_payment_order_balance_comparison" : { "commerce_order" : [ "commerce_order" ], "value" : "0" } }
    ],
    "DO" : [
      { "entity_query" : {
          "USING" : {
            "type" : "user",
            "property" : "mail",
            "value" : [ "commerce-order:mail" ],
            "limit" : "1"
          },
          "PROVIDE" : { "entity_fetched" : { "account_fetched" : "Fetched account" } }
        }
      },
      { "LOOP" : {
          "USING" : { "list" : [ "account-fetched" ] },
          "ITEM" : { "list_item" : "Current list item" },
          "DO" : [
            { "user_add_role" : { "account" : [ "list-item" ], "roles" : { "value" : { "3" : "3" } } } }
          ]
        }
      }
    ]
  }
}