Block details.
Epoch: 123 Number of transactions in block: 4 slot_no: 2668768 epoch_slot_no: 11968 block_no: 2667252 slot_leader_id: 3 size: 2318 time: 2019-06-03 16:14:11 proto_major: 0 proto_minor: 2 hash: \xd2c39e337c3408d1761645c58827e5636ed38bd59b2e72919c6d1c48da51f86dBlock Operator
vrf_key: op_cert: op_cert_counter: