This key you got from Google, is supposed to be in the
index.html between the <head></head> tags:
<meta name="verify-v1" content="
...key...">
Note: We recommend the method "Upload HTML file", which is much easier to handle and to maintain. The file can be downloaded within Google WMTs (WebmasterTools) and then uploaded in the area 'files' directly in the root directory.
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