The following should do it:
my $lat = $location->{'geometry'}->{'location'}->{'lat'};
UPDATE: I hit the same error as you. The follwoing should make it clear after reformatting:
'geometry' => {
'viewport' => {
'southwest' => {
'lat' => '47.0860081197085',
'lng' => '8.2563233197085'
},
'northeast' => {
'lat' => '47.0887060802915',
'lng' => '8.2590212802915'
}
},
'location' => {
'lat' => '47.0873571',
'lng' => '8.2576723'
},
'location_type' => 'ROOFTOP'
}
McA
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