Block details.
Epoch: 30 Number of transactions in block: 1 slot_no: 659944 epoch_slot_no: 11944 block_no: 659867 slot_leader_id: 12 size: 1024 time: 2018-02-23 16:06:11 proto_major: 0 proto_minor: 1 hash: \xad986dd78210da59ee7734b2cb175e0469e7e3802de027a30b4644d53dcf6c5bBlock Operator
vrf_key: op_cert: op_cert_counter: