{"message":{"slot":"421281","proposer_index":"548","parent_root":"0x87751d439ad0be12469c8aaddb988636dd21078a375b45f082c34f2f39dfac1d","state_root":"0x87da1da3b85f9e3998cbe985ac6a85744951afb95f9a0e50962594af4df190e3","body_root":"0xa0de452fcd5e453432357b808e57b8e605ca0044ccba89bb7e16966ae503b06b"},"signature":"0x80e90237d11abf1c989acd5d51f426e4c1a27e93a73c85328a556c238f7e04359ee3e7e147265c9f432436ae952d3c6c0b902232a54e55d7c8de47c4381ad2e7418c7c2e45d6dc39fe5ec62b663fb12ae156e7b656939a6d222a6a1283b5f474"}