"accDtls": {
    "accN": "1234567889",
    "accType": "Checking",
    "mobileStatus": "C",
    "homePhone": "911",
    "serviceAddress": {
      "address": " 123 lalaland  ",
      "poBox": null,
      "city": "Mexico",
      "state": "MA",
      "zipcode": "111111-23232322"
    },
    "custId": null,
  },
  "idDtls": null,
  "resources": {
    "pSources": {
      "pSourceDtls": [
        {
          "status": null,
          "address": null,
          "newStatus": null,
          "macAddress": null,
          "make": null,
          "model": null,
          "mode": null,
          "serialNumber": null
        }
      ]
    },
    "SomeResources": null
  },
  "Emails": {
    "first": "testing123@gmail.com"
  }
}

OAuth2RestTemplate restTemplate = new OAuth2RestTemplate(getClientCredentialResourceDetails(), new DefaultOAuth2ClientContext());
ResponseEntity<String> jsonString = OAuth2RestTemplate.exchange(url, HttpMethod.GET, null, String.class);

String jsonString = jsonString.getBody();

String json = objectMapper.writeValueAsString(jsonString);