Block details.
Epoch: 17 Number of transactions in block: 5 slot_no: 378867 epoch_slot_no: 11667 block_no: 378815 slot_leader_id: 7 size: 2343 time: 2017-12-20 14:33:51 proto_major: 0 proto_minor: 1 hash: \x560d96cefb78523ad95f1fd1bcc569ab81fb495b9e1ec8d0d46e3df9f4b81f36Block Operator
vrf_key: op_cert: op_cert_counter: