JOHNSTOWN — Members of a Johnstown community organization cautiously believed they could raise $200,000 for a years-long capital campaign over the holiday season. But they raised $373,000 instead. “In the last week, we reached $70,000 and thought ‘wow, we’re doing great’ and then at the end, bam, it really came in, so we ended up with lots,” said Tom Bell, member of One Church Street steering committee. “It’s really fabulous. Happy New Year to us.” One Church Street is roughly $400,000 away from fully funding the renovation of a three-story community nourishment center. The project’s price tag has risen from…