# locator_hash +A blob_signature @ timestamp
# where the timestamp is a Unix time expressed as a hexadecimal value,
# and the blob_signature is the signed locator_hash + API token + timestamp.
# locator_hash +A blob_signature @ timestamp
# where the timestamp is a Unix time expressed as a hexadecimal value,
# and the blob_signature is the signed locator_hash + API token + timestamp.