I want only one value from the json but i'm getting all the values how can i stop iteration or is there any way to show only one row like keeping size please help to find the solution

Thank you in Advance,

<tbody>
                        <aura:iteration items="{!v.jsonValues}" var="item" indexVar="rowIndex">  
                            <tr data-data="{!rowIndex}">
                                <td role="gridcell" tabindex="-1" data-label="Record Type Name">                            
                                    <span class="slds-grid slds-grid_align-spread">
                                        <div class="slds-truncate">                                        
                                            <span class="slds-truncate">{!item.firstName}</span>
                                        </div>
                                    </span>                            
                                </td>
                            </tr>
                        </aura:iteration>
                    </tbody>

Original Output:-
      Ramesh
      Suresh
      Rakesh

Expected Output:-
    Ramesh

Hello,

Does anyone know if it is possible to integrate WeChat with Salesforce?
Salesforce support said there is no standard plugin and we could not find any application on AppExchange.
We have contacted wechat support by mail but we did not receive any reply.

Best Regards,
Shamina