Block details.
Epoch: 91 Number of transactions in block: 2 slot_no: 1971197 epoch_slot_no: 5597 block_no: 1969715 slot_leader_id: 3 size: 1533 time: 2018-12-24 04:50:31 proto_major: 0 proto_minor: 2 hash: \x1d93c967dad882ec3e9bafe5d8f321698880bd2ee506ec15d25e38b9ca943aedBlock Operator
vrf_key: op_cert: op_cert_counter: