echo print_r($response, true) . "<br/>";
 echo "<br/>UNASSIGNING TOKEN WITH ID = " . $tokenId . " FROM RESOURCE WITH ID = " . $resourceId . "<br/>";
 // unassigns token from resource
 $response = $api->unassignTokenFromResource($resourceId, $tokenId);
 echo print_r($response, true) . "<br/>";
 echo "<br/>ASSIGNING TOKEN WITH ID = " . $tokenId . " TO USER WITH ID = " . $userId . "<br/>";
 // assigns token to user
 $response = $api->assignUserToken($userId, $tokenId);
 echo print_r($response, true) . "<br/>";
 echo "<br/>ASSIGNING USER WITH ID = " . $userId . " AND TOKEN WITH ID = " . $tokenId . " TOGETHER TO RESOURCE WITH ID = " . $resourceId . "<br/>";
 // assigns user and token together to resource
 $response = $api->assignUserAndTokenToResource($resourceId, $userId, $tokenId);
 echo print_r($response, true) . "<br/>";
 echo "<br/>UNASSIGNING USER WITH ID = " . $userId . " AND TOKEN WITH ID = " . $tokenId . " TOGETHER FROM RESOURCE WITH ID = " . $resourceId . "<br/>";
 // unassigns user and token together from resource
 $response = $api->unassignUserAndTokenFromResource($resourceId, $userId, $tokenId);
 echo print_r($response, true) . "<br/>";
 echo "<br/>ASSIGNING TOKEN WITH ID = " . $tokenId . " AND USER, WHICH HAS THIS TOKEN, TOGETHER TO RESOURCE WITH ID = " . $resourceId . "<br/>";
 // assigns user and token together to resource (userId does not
 // specified, because token is already assigned to user)
 $response = $api->assignTokenWithUserToResource($resourceId, $tokenId);
 echo print_r($response, true) . "<br/>";
 echo "<br/>UNASSIGNING TOKEN WITH ID = " . $tokenId . " AND USER, WHICH HAS THIS TOKEN, TOGETHER FROM RESOURCE WITH ID = " . $resourceId . "<br/>";
 // unassigns user and token together from resource (userId does not
 // specified, because token is already assigned to user)
 $response = $api->unassignTokenWithUserFromResource($resourceId, $tokenId);
 echo print_r($response, true) . "<br/>";
 echo "<br/>DELETING A TOKEN<br/>";
 $response = $api->deleteToken($tokenId);
 echo print_r($response, true) . "<br/>";
 $tokenId = $response->response->token->id;