Block details.
Epoch: 19 Number of transactions in block: 2 slot_no: 428435 epoch_slot_no: 18035 block_no: 428381 slot_leader_id: 3 size: 1748 time: 2018-01-01 01:56:31 proto_major: 0 proto_minor: 1 hash: \x82feef9d4cda51d26e7301668d4ca4397ed9bd0f93bf7f4ff4f17e1b2ea35d7eBlock Operator
vrf_key: op_cert: op_cert_counter: