Block details.
Epoch: 88 Number of transactions in block: 2 slot_no: 1906218 epoch_slot_no: 5418 block_no: 1904745 slot_leader_id: 6 size: 1626 time: 2018-12-09 03:50:51 proto_major: 0 proto_minor: 2 hash: \x67a85201ea8e39a228c7a6e09bd09429352e3085b6f89f8fd20b6066901d38daBlock Operator
vrf_key: op_cert: op_cert_counter: