Block details.
Epoch: 28 Number of transactions in block: 1 slot_no: 612647 epoch_slot_no: 7847 block_no: 612572 slot_leader_id: 4 size: 1351 time: 2018-02-12 17:20:31 proto_major: 0 proto_minor: 1 hash: \x0080cb5f87a12e77799b21c3b391efc2ef419bc8d4f6b48b748136b3204dab41Block Operator
vrf_key: op_cert: op_cert_counter: