Block details.
Epoch: 173 Number of transactions in block: 2 slot_no: 3744269 epoch_slot_no: 7469 block_no: 3742212 slot_leader_id: 12 size: 1533 time: 2020-02-07 15:14:31 proto_major: 0 proto_minor: 2 hash: \x91b6e7e2bb9ebf8dcd1ff31b156aaabf0123f19a5fd6e00b465b99d21d0ff83cBlock Operator
vrf_key: op_cert: op_cert_counter: