Некорректные поля в шаблоне:

"domains": {
  "domain": {
    "registerDomain": {
      "domainName": "zxcv-10.kz",
      "errors": {
        "data": [
          {
            "field": "contact_email",
            "message": [
              "isEmail",
              "isNotEmpty"
            ]
          },
          {
            "field": "contact_phone",
            "message": [
              "isNotEmpty"
            ]
          },
          {
            "field": "address_state",
            "message": [
              "isNotEmpty"
            ]
          }
        ],
        "description": "Validation errors for registrant template",
        "code": "REGISTRANT_FIELDS_ARE_MISSING"
      }
    }
  }
}