Fetch-url-http-3a-2f-2fmetadata.google.internal-2fcomputemetadata-2fv1-2finstance-2fservice Accounts-2f File

Specifically, the decoded endpoint is:

curl -H "Metadata-Flavor: Google" \ 'http://metadata.google.internal/computeMetadata/v1/instance/service-accounts/default/token'

It is important to clarify that the string fetch-url-http-3A-2F-2Fmetadata.google.internal-2FcomputeMetadata-2Fv1-2Finstance-2Fservice accounts-2F appears to be a URL-encoded or partially sanitized representation of a request to the Google Compute Engine metadata server.