Man pages matching name poe::component::server::jsonrpc::tcp in section 3pm:

POE::Component::Server::JSONRPC::Tcp.3pm.en	debian 10 / libpoe-component-server-jsonrpc-perl
POE::Component::Server::JSONRPC::Tcp.3pm.en	debian 11 / libpoe-component-server-jsonrpc-perl
POE::Component::Server::JSONRPC::Tcp.3pm.en	debian 12 / libpoe-component-server-jsonrpc-perl