Block details.
Epoch: 27 Number of transactions in block: 1 slot_no: 591654 epoch_slot_no: 8454 block_no: 591580 slot_leader_id: 3 size: 1323 time: 2018-02-07 20:42:51 proto_major: 0 proto_minor: 1 hash: \x4d116e372a45e2160e8fad9566daa69d52cc6b66f90a9d80a287b6439bd61fbaBlock Operator
vrf_key: op_cert: op_cert_counter: