Block details.
Epoch: 90 Number of transactions in block: 4 slot_no: 1957727 epoch_slot_no: 13727 block_no: 1956245 slot_leader_id: 3 size: 6415 time: 2018-12-21 02:00:31 proto_major: 0 proto_minor: 2 hash: \x479f9df13e66de3e974721869fb217dc14b2b6e8d4fb38e69eac419ec3beb97cBlock Operator
vrf_key: op_cert: op_cert_counter: