Use the Google Messages spam protection or the Apple reporting feature to block and report the sender.
You can use tools like the F-Secure Text Message Checker to analyze the content if you're unsure. 540363a697a81af831671862184tty3ff8gkdzswvab9u7h...
If you received this via SMS or email, it is highly likely a designed to see if your number or email is active. Recommended Actions Use the Google Messages spam protection or the
If there was a link associated with this text, clicking it could expose you to malware or phishing sites. Report the Spam: 540363a697a81af831671862184tty3ff8gkdzswvab9u7h...