{"message":{"slot":"521548","proposer_index":"149","parent_root":"0xb01d3869591e5feefd28167c5cd17812453df8ee2931e3c0d5b2110b88a54347","state_root":"0xf0fbb25d9005b6c9b070a8688720793bd33cb5291efaf14f16253bac457d9741","body_root":"0x81a112f07db2840703a8eb3877455ad5c28a29eb7985be3b38434a9be11836c4"},"signature":"0x8cf9ec9a72c7ee4cc47e1a25e595d09a67977adb23f73ac778213ccd872ce25f922aaf21de9e3c19226d2cf5bab6ce2d148ff2db44452476414fa35b2c438bf35884da10df9cc198db3ad64a6168195131dbae5609f08dd5e62a45ef2c8491c7"}