{"message":{"slot":"553508","proposer_index":"139","parent_root":"0x37d931491f37045dd71e02776cc32a5e5f257f40213336140a13a00623e4ebf3","state_root":"0x18810ae396ce495a9373896030cced689bda7f10de452e03f9ff66348a21e9f8","body_root":"0xf53db1b64b1fb49365e94feaa15822524d1c13cbeb2553944b91507c4aaaf9b1"},"signature":"0x85800a3ffd5352a9aab739e8d0b789b56770f51397d634f22c2fbc68c9cb72fae8e77e4287a254e715add91aa8116be3142368a14c3d9a2f903d53dc846458136f30d2a05b93cd4f48a87d5d5b838b92f86d7da93afa1a1631e9a352c858e5c9"}