title: facebook messenger api “(#100) No matching user found”
body: <p>im using facebook sdk and i keep getting an error message “(#100) No matching user found” and i followed the instruction on facebook documentation but i keep getting this message i already check the user id who i want to send it to also i used already an static id for this to check if im getting the wrong id from senders conversation api. i don't know if this is a bug or am i doing it wrong, i already added messenger product on my app</p>
  
  <pre><code>FB.api('/'+id+'/conversations?access_token=' + token + '&amp;fields=senders','GET',function(conversations){
                  FB.api('/'+id+'/messages?access_token=' + token ,'POST',{
                      'recipient' : {'id' : conversations.data[0].senders.data[0].name},
                      'message' : {'text' :'hello ' + conversations.data[0].senders.data[0].name},
                  },function(messages){
                      console.log(messages);
                  });
              });
              });
  </code></pre>