{ "rules_create_product_on_node_save" : {
    "LABEL" : "Create product on node save",
    "PLUGIN" : "reaction rule",
    "REQUIRES" : [ "rules" ],
    "ON" : [ "node_insert" ],
    "IF" : [
      { "node_is_of_type" : { "node" : [ "node" ], "type" : { "value" : { "example" : "example" } } } },
      { "entity_has_field" : { "entity" : [ "node" ], "field" : "field_product_reference" } }
    ],
    "DO" : [
      { "entity_create" : {
          "USING" : {
            "type" : "commerce_product",
            "param_sku" : "[node:title]",
            "param_type" : "product",
            "param_title" : "[node:title]",
            "param_creator" : [ "node:author" ],
            "param_commerce_price" : { "value" : { "amount" : "0", "currency_code" : "USD" } },
            "param_commerce_stock" : "0"
          },
          "PROVIDE" : { "entity_created" : { "created_product" : "Created Product" } }
        }
      },
      { "entity_save" : { "data" : [ "created-product" ], "immediate" : 1 } },
      { "data_set" : {
          "data" : [ "node:field-product-reference" ],
          "value" : [ "created-product" ]
        }
      }
    ]
  }
}