Block details.
Epoch: 91 Number of transactions in block: 3 slot_no: 1971905 epoch_slot_no: 6305 block_no: 1970423 slot_leader_id: 12 size: 2299 time: 2018-12-24 08:46:31 proto_major: 0 proto_minor: 2 hash: \xef238a388bf27f063f46e00d2213926da08fc03c62cf709a4f60403f8618ae44Block Operator
vrf_key: op_cert: op_cert_counter: