{"message":{"slot":"664588","proposer_index":"74","parent_root":"0x458e459740daa3a843a23a108cd76f40c46b607242f8fdac1c71c1f03aa8dbc0","state_root":"0x0eff10980022e0c9161dcfecd4495a9c94de07a5801c25c0b22250103b3d2b46","body_root":"0xefea6df6f8f7d7359be8f428f07dc01d6d2d661d81d04234b9de3291ad1b05b8"},"signature":"0x8d9ce3bc7b9060738f145038f22cb0d9e009c31d82d5a412251f922ddf9516682310c019e4a34c94aef1624573ef6211106d2ad30a557e5cc5efd4ba5a3da8ef0152eb8dfb98fd7f22e78bb82acd10bb08e900d89fde627a397287df9e852d1a"}