src/SemaphoreClient.php
public function message( $messageId )
    {
        $params = [
            'query' => [
	            'apikey' =>  $this->apikey,
            ]
        ];
        $response = $this->client->get( 'messages/' . $messageId, $params );
        return $response->getBody();
    }
public function message( $messageId )
    {
        $params = [
            'query' => [
	            'apikey' =>  $this->apikey,
            ]
        ];
        $response = $this->client->get( 'messages/' . $messageId, $params );
        return $response->getBody();
    }
Retrieves data about a specific message

@param $messageId - The encoded ID of the message
@return StreamInterface