{
  "testmodule_default_hydrator_extension_attribute_entity": {
    "column": {
      "entity_id": true,
      "customer_id": true,
      "value": true
    },
    "constraint": {
      "PRIMARY": true,
      "CSTR_EXTENSION_ATTR_ENTT_CSTR_ID_CSTR_ENTT_ENTT_ID": true
    }
  }
}