{"message":{"slot":"2878833","proposer_index":"757","parent_root":"0x8c895800752eb3f2ca82a38fef6bd032989a7169eb18a344a5eb5449d2826dcb","state_root":"0xa85d399ae7adae3738026dc0e1de04f2c9907669d2bb7cd3480dad9ff3a111b3","body_root":"0x9a8cc9a375f7c52a7671ac6f96dc1e6c189c0ca1d2c4216908c29781a660900b"},"signature":"0xb25ff86e766b0390f274368787649c896a9bc68abf8200047793d8b3034be2e80563393d85f43d022f0e9efb28bc086c0a2d41670774221f124542bca4385d04d1cb6dd2f0b28dbb1ba4120d0630235e78aa6b75dda603bceeaf754764406fd4"}