Block details.
Epoch: 30 Number of transactions in block: 1 slot_no: 649739 epoch_slot_no: 1739 block_no: 649663 slot_leader_id: 13 size: 1033 time: 2018-02-21 07:24:31 proto_major: 0 proto_minor: 1 hash: \x417a1761f46afac0c4b986c97bed66bcc0b90b4e52fb2805b25ca4757ed07b09Block Operator
vrf_key: op_cert: op_cert_counter: