Block details.
Epoch: 202 Number of transactions in block: 2 slot_no: 4380418 epoch_slot_no: 17218 block_no: 4378194 slot_leader_id: 4 size: 1525 time: 2020-07-03 21:24:11 proto_major: 1 proto_minor: 0 hash: \xafb6504718d0d71f14f54d71762b14c30b76a6c84155b40c54e715625b8807dcBlock Operator
vrf_key: op_cert: op_cert_counter: