Block details.
Epoch: 40 Number of transactions in block: 2 slot_no: 884856 epoch_slot_no: 20856 block_no: 884758 slot_leader_id: 3 size: 1637 time: 2018-04-16 17:36:51 proto_major: 0 proto_minor: 1 hash: \xdad2be439de2ed7258ab5c69f50b24a8cffb4fb6d8c3bb0208d93ddd14c4765fBlock Operator
vrf_key: op_cert: op_cert_counter: