Block details.
Epoch: 77 Number of transactions in block: 1 slot_no: 1665734 epoch_slot_no: 2534 block_no: 1665318 slot_leader_id: 4 size: 1033 time: 2018-10-14 11:49:31 proto_major: 0 proto_minor: 1 hash: \xd7217bf296ab1ba02c2563352c309f060fc6745d85a32c08131291e527fcb0aaBlock Operator
vrf_key: op_cert: op_cert_counter: