{"message":{"slot":"551288","proposer_index":"21","parent_root":"0x519dfac62921916b191d2be4fffbb4b271c92167106ded816b2281d179c6846b","state_root":"0xb4257e4d7057636d4ed8abf1b00236dcfb695826b109adb07cf4b195cef474c0","body_root":"0x1b6e9f1188c1275a8fc4145968b1e5e831229748e9892341f6f33c511dc6eb0f"},"signature":"0x8110af64772f74350ba4262129fded818d9703da9e81996ce0d7956724537694f7f9452fb767c8fcb176acdd001db7010442544e51bccf599430cc9806dd9d4539880f275d4058445d762ce5f7db406af7aa3b7245c8e6ab2134dc71442b8116"}