Block details.
Epoch: 40 Number of transactions in block: 2 slot_no: 874345 epoch_slot_no: 10345 block_no: 874248 slot_leader_id: 12 size: 1387 time: 2018-04-14 07:13:11 proto_major: 0 proto_minor: 1 hash: \xc4a60c39397ab100dcd4a99db2daab262147a1ea568f84052319717a778ce4a1Block Operator
vrf_key: op_cert: op_cert_counter: