Block details.
Epoch: 197 Number of transactions in block: 1 slot_no: 4258288 epoch_slot_no: 3088 block_no: 4256139 slot_leader_id: 3 size: 4028 time: 2020-06-05 14:54:11 proto_major: 1 proto_minor: 0 hash: \x4a0b2a83d4b16d3456336b170b69f229326c03b6377233bed3ffffade00a270dBlock Operator
vrf_key: op_cert: op_cert_counter: