{"message":{"slot":"300999","proposer_index":"140","parent_root":"0x181ad3b692926d6fcb09efdca634c1a2b722e5151fec918ba58bcdfa2a59413e","state_root":"0x39b71b2b8226d71e0ef9e5f3681aec0fd61482294c34f22d551a2eb822f9c76b","body_root":"0x56d08b92910e774b0f1a0021ce3cefa943df91e09d2cb6bf9686448a3e12ce47"},"signature":"0xac9d7aeff45d3720ecc081b7dfca69c8c24ac40c93ad8f623a3ee27b7c4b762bf8af8507e55789bcbe5c12f4c6f600f9135a399bdf6ffd00dc02edfd7b8aed20d7b4cb5c657e8d7a63f0df86a77fc5771940ed9ee8c80b40fa2a4ce0b249fa4c"}