Block details.
Epoch: 22 Number of transactions in block: 4 slot_no: 494777 epoch_slot_no: 19577 block_no: 494717 slot_leader_id: 13 size: 2100 time: 2018-01-16 10:30:31 proto_major: 0 proto_minor: 1 hash: \xd21ece5e1dddd9fe5110afe65ae5b0b4fa1141050f2c27f74352c4f54345c16dBlock Operator
vrf_key: op_cert: op_cert_counter: