Block details.
Epoch: 45 Number of transactions in block: 1 slot_no: 972550 epoch_slot_no: 550 block_no: 972444 slot_leader_id: 7 size: 1025 time: 2018-05-07 00:48:11 proto_major: 0 proto_minor: 1 hash: \xa9e42b1a1da9e02b2f3ffe3aec6d01d0c178fb920b4abb79b095ec90047aa794Block Operator
vrf_key: op_cert: op_cert_counter: