<form action="#" th:action="@{/updateProvider}" th:object="${providerPage}" method="post">
<table   >
<thead>
<tr>
    <th th:text="#{msg.enabled}" />
    <th th:text="#{msg.type}" />
...
</tr>
</thead>
<tbody>
<tr th:each="restProvider, i : ${providerPage.content}"  >

    <td th:style="'text-align: center;'" /> <input type="text" th:field="*{content[__${i.index}__].enabled}" />
    <td th:text="${restProvider.type}" />
    <td/> <input type="text" th:field="*{content[__${i.index}__].serviceType}" />
...
</tr>
</tbody>
</table>
<input type="submit" value="Update" />

Page<RestProvider> providerPage = providerService.findPaginated(PageRequest.of(currentPage - 1, pageSize));

    model.addAttribute("providerPage", providerPage);

@RequestMapping(value = "/updateProvider", method = RequestMethod.POST)
public String updateProvider(@ModelAttribute("content") RestProviderList providers) {

public class RestProviderList {

private List<RestProvider> restProviders;

public RestProviderList() {
    this.restProviders = new ArrayList<RestProvider>();
}

public List<RestProvider> getRestProviders() {
    return restProviders;
}

public void setRestProviders(List<RestProvider> restProviders) {
    this.restProviders = restProviders;
}

public void addContent(RestProvider restProvider) {
    this.restProviders.add(restProvider);
}

public void setEnabled(String enabled) {
    logger.debug("Enabled:{}", enabled);
}