insert into devices (public_key_hash_b64, public_key_b64) values('EmyfubzTBv2fBuFVge0T/g==', 'RJD8+Pz9xy+RVJz4xKNe8CXyAqS/5CFLpY05cMIndHw=');
insert into device_publish_topics (public_key_hash_b64, topic) values('EmyfubzTBv2fBuFVge0T/g==', 'test');
insert into device_subscribe_topics (public_key_hash_b64, topic) values('EmyfubzTBv2fBuFVge0T/g==', 'test-subscribe');