Block details.
Epoch: 42 Number of transactions in block: 2 slot_no: 916121 epoch_slot_no: 8921 block_no: 916018 slot_leader_id: 12 size: 1543 time: 2018-04-23 23:18:31 proto_major: 0 proto_minor: 1 hash: \xe7a4bbc1f97abf61b6e3341a82abdc3048068d9085f8fc2ab1f74455fd54fa3eBlock Operator
vrf_key: op_cert: op_cert_counter: