Block details.
Epoch: 30 Number of transactions in block: 2 slot_no: 651557 epoch_slot_no: 3557 block_no: 651481 slot_leader_id: 6 size: 1485 time: 2018-02-21 17:30:31 proto_major: 0 proto_minor: 1 hash: \x1e9b9a98e92c31469fbe221ef91a885e88228ec9cd4a7eb4b91ae03d70822086Block Operator
vrf_key: op_cert: op_cert_counter: