Block details.
Epoch: 197 Number of transactions in block: 1 slot_no: 4272991 epoch_slot_no: 17791 block_no: 4270839 slot_leader_id: 8 size: 4469 time: 2020-06-09 00:35:11 proto_major: 1 proto_minor: 0 hash: \xafa6edaf5bf59f9fd4e3c7f684821ff9098897b2d1074e5d072404184fd096cfBlock Operator
vrf_key: op_cert: op_cert_counter: