Block details.
Epoch: 81 Number of transactions in block: 4 slot_no: 1769238 epoch_slot_no: 19638 block_no: 1768747 slot_leader_id: 12 size: 3907 time: 2018-11-07 10:50:51 proto_major: 0 proto_minor: 1 hash: \x77e7e702b17046097ebdd1dc379ca133c08b5bd36a6095e409733a735b57edfbBlock Operator
vrf_key: op_cert: op_cert_counter: